Words related to purge
mid-13c., of gold, "unalloyed;" c. 1300 "unmixed, unadulterated; homogeneous," also "total, complete, absolute; bare, mere," also "sexually pure, virgin, chaste" (late 12c. as a surname, and Old English had purlamb "lamb without a blemish"), from Old French pur "pure, simple, absolute, unalloyed," figuratively "simple, sheer, mere" (12c.), from Latin purus "clean, clear; unmixed; unadorned; chaste, undefiled."
This is conjectured to be from PIE root *peue- "to purify, cleanse" (source also of Latin putus "clear, pure;" Sanskrit pavate "purifies, cleanses," putah "pure;" Middle Irish ur "fresh, new;" Old High German fowen "to sift").
It replaced Old English hlutor. The meaning "free from moral corruption" is recorded from mid-14c. In reference to bloodlines, attested from late 15c. In music, "mathematically perfect," by 1872.
Proto-Indo-European root meaning "to drive, draw out or forth, move."
It forms all or part of: act; action; active; actor; actual; actuary; actuate; agency; agenda; agent; agile; agitation; agony; ambagious; ambassador; ambiguous; anagogical; antagonize; apagoge; assay; Auriga; auto-da-fe; axiom; cache; castigate; coagulate; cogent; cogitation; counteract; demagogue; embassy; epact; essay; exact; exacta; examine; exigency; exiguous; fumigation; glucagon; hypnagogic; interact; intransigent; isagoge; litigate; litigation; mitigate; mystagogue; navigate; objurgate; pedagogue; plutogogue; prodigal; protagonist; purge; react; redact; retroactive; squat; strategy; synagogue; transact; transaction; variegate.
It is the hypothetical source of/evidence for its existence is provided by: Greek agein "to lead, guide, drive, carry off," agon "assembly, contest in the games," agōgos "leader," axios "worth, worthy, weighing as much;" Sanskrit ajati "drives," ajirah "moving, active;" Latin actus "a doing; a driving, impulse, a setting in motion; a part in a play;" agere "to set in motion, drive, drive forward," hence "to do, perform," agilis "nimble, quick;" Old Norse aka "to drive;" Middle Irish ag "battle."
"to chastise, punish," c. 1600, from Latin castigatus, past participle of castigare "to correct, set right; purify; chastise, punish," from castus "pure" (see caste) + agere "to do" (from PIE root *ag- "to drive, draw out or forth, move"). The notion behind the word is "make someone pure by correction or reproof." Compare purge (v.), from purus + agere. Related: Castigated; castigating; castigator; castigatory.
If thou didst put this soure cold habit on To castigate thy pride, 'twere well. [Shakespeare, "Timon" IV.iii (1607)]
early 15c., expurgacion, "a cleansing from impurity," from Latin expurgationem (nominative expurgatio), noun of action from past-participle stem of expurgare "to cleanse out, purge, purify; clear from censure, vindicate, justify," from ex "out" (see ex-) + purgare "to purge" (see purge (v.)). Sense of "a removal of objectionable passages from a literary work" is recorded in English from 1610s. Related: Expurgatory.
late 14c., purgacioun, "purification from sin," also "discharge of waste; evacuation of evil humors by bloodletting, etc.," from Old French purgacion "a cleansing," medical or spiritual (12c., Modern French purgation) and directly from Latin purgationem (nominative purgatio) "a cleansing, purging," figuratively "an apology, justification," noun of action from past-participle stem of purgare "to cleanse, purify" (see purge (v.)).
late 14c., purgatif, in medicine, "having the property of cleansing by expelling impure matter from the body," from Old French purgatif (14c.) and directly from Late Latin purgativus, from purgat-, past-participle stem of Latin purgare "to cleanse, purify" (see purge (v.)). The noun is attested from early 15c., "a medicine that evacuates the intestines" (Old English medical texts have clænsungdrenc).
c. 1200, purgatorie, "place or condition of temporal punishment for spiritual cleansing after death of souls dying penitent and destined ultimately for Heaven," from Old French purgatore, purgatoire and directly from Medieval Latin purgatorium (St. Bernard, early 12c.), in Latin, "means of cleansing," noun use of neuter of purgatorius (adj.) "purging, cleansing," from purgat-, past-participle stem of Latin purgare "to cleanse, purify" (see purge (v.)).
It is not considered as a place of probation ; for the ultimate salvation of those in purgatory is assured, and the impenitent are not received into purgatory. The souls in purgatory are supposed, however, to receive relief through the prayers of the faithful and through the sacrifice of the mass. The common belief in the Latin Church is that the purgatorial suffering is by fire ; the Greek Church, however, does not determine its nature. [Century Dictionary]
The figurative use for "state of mental or emotional suffering, expiation, etc." is from late 14c., originally especially when due to unrequited love, or, (seemingly paradoxically), marriage (e.g. Lydgate's wyfly purgatorye). In old New England it was used of narrow gorges and steep-sided ravines. Related: Purgatorial; purgatorian.