Etymology
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inventory (n.)

early 15c., from Old French inventoire "detailed list of goods, a catalogue" (15c., Modern French inventaire), from Medieval Latin inventorium, alteration of Late Latin inventarium "list of what is found," from Latin inventus, past participle of invenire "to find, discover, ascertain" (see invention).

The form was altered in Medieval Latin by influence of words in -orium, which became very common in post-classical and Christian use. It properly belongs with words in -ary, and French has corrected the spelling. Related: Inventorial; inventorially.

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inventory (v.)

"make a list or catalogue of," c. 1600, from inventory (n.). Related: Inventoried; inventorying.

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report (n.)

late 14c., "an account brought by one person to another; rumor, gossip," from Old French report "pronouncement, judgment" (Modern French rapport), from reporter "to tell, relate" (see report (v.)).

By early 15c. as "informative statement by a reputable source, authoritative account." In law, "formal account of a case argued and determined in court," by 1610s. The meaning "formal statement of results of an investigation" is attested by 1660s; sense of "teacher's official statement of a pupil's work and behavior" is from 1873 (report card in the school sense is attested by 1913, American English). The meaning "resounding noise, sound of an explosion or of the discharge of a firearm" is from 1580s.  

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report (v.)

late 14c., "to make known, tell, relate," from Old French reporter "to tell, relate; bring back, carry away, hand over," from Latin reportare "carry back, bear back, bring back," figuratively "report," in Medieval Latin "write (an account) for information or record," from re- "back" (see re-) + portare "to carry" (from PIE root *per- (2) "to lead, pass over"). Early 15c. as "to submit" (to an authority, etc.). Meaning "to name someone as having offended somehow" is from 1885.

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self- 

word forming element indicating "oneself," also "automatic," from Old English use of self (pron.) in compounds, such as selfbana "suicide," selflice "self-love, pride, vanity, egotism," selfwill "free will." Middle English had self-witte "one's own knowledge and intelligence" (early 15c.).

OED counts 13 such compounds in Old English. Middle English Compendium lists four, counting the self-will group as a whole. It re-emerges as a living word-forming element mid-16c., "probably to a great extent by imitation or reminiscence of Greek compounds in (auto-)," and formed a great many words in the pamphlet disputes of the 17c.

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self (pron., n., adj.)

Old English self, sylf (West Saxon),  seolf (Anglian), "one's own person, -self; own, personal; same, identical," from Proto-Germanic *selbaz (source also of Old Norse sjalfr, Old Frisian self, Dutch zelf, Old High German selb, German selb, selbst, Gothic silba), Proto-Germanic *selbaz "self," from PIE *sel-bho-, suffixed form of root *s(w)e-, pronoun of the third person and reflexive (referring back to the subject of a sentence), also used in forms denoting the speaker's social group, "(we our-)selves" (see idiom).

Its use as the second element in compounded reflexive pronouns (herself, etc.) was in Old English, from the original independent (and inflected) use of self following personal pronouns, as in ic selfa "myself," min selfes "of myself." With a merging of accusative, dative, and genitive cases.

As a noun from c. 1200 as "the person or thing previously specified;" early 14c. as "a person in relation to that same person." G.M. Hopkins used selve as a verb, "become or cause to become a unique self" (1880) but its use seems to have been restricted to poets.

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self-conscious (adj.)

1680s, "aware of one's action or oneself," a word of the English Enlightenment (Locke was using it by 1690, along with self-consciousness "state of being aware of oneself, consciousness of one's own identity"), from self- + conscious. The morbid sense of "preoccupied with one's own personality, conscious of oneself as an object of observation to others" is attested by 1834 (J.S. Mill). Related: Self-consciously.

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self-criticism (n.)

"criticism of oneself," 1780, from self- + criticism. First attested in George Eliot; communist party sense is attested from 1933.

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self-defense (n.)

1650s, "act of defending oneself," first in Hobbes, from self- + defense. In sports sense, first with reference to fencing (1728), then boxing and pugilism (1820s).

[I]n law, the act of forcibly resisting a forcible attack upon one's own person or property, or upon the persons or property of those whom, by law, one has a right to protect and defend. [Century Dictionary]
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self-destruct (v.)

in reference to things, "destroy itself automatically;" see self- + destruct, apparently first attested in the U.S. television series "Mission Impossible" (1966). Self-destructive "having the property of annulling itself" is recorded from 1650s, and self-destruction "destruction of oneself, suicide" is attested from 1580s; self-destroying (n.) is from 1610s.

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