Words related to separate
late 14c., "that which is hidden from human understanding;" early 15c., "that which is hidden from general knowledge;" from Latin secretum "secrecy; a mystery; a thing hidden; secret conversation," also "retirement, solitude," noun from secretus "set apart, withdrawn; hidden, concealed, private." This is a past-participle adjective from secernere "to set apart, part, divide; exclude," from se- "without, apart," properly "on one's own" (see se-) + cernere "to separate" (from PIE root *krei- "to sieve," thus "discriminate, distinguish").
The meaning "something studiously hidden or concealed; what is not or should not be revealed" in English is from mid-15c. The sense of "key or principle by which some difficulty is solved" is from 1738, perhaps via the notion of "method or process hidden from the uninitiated" (late 15c.).
The alternative form secre, from an Old French variant form of secret, was common 14c.-16c. and seems to have been more frequent originally. It also was a variant of the adjective.
Open secret "matter or fact which is known to many; a secret which all who care to may learn" is from 1828. To keep (a) secret is from mid-15c. Secrets "parts of the body which propriety requires to be concealed" is by 1530s.
*perə-, Proto-Indo-European root meaning "to produce, procure" and yielding and derived words in diverse senses; possibly related to *pere- (2) "to grant, allot."
It forms all or part of: ante-partum; apparatus; apparel; biparous; disparate; emperor; empire; heifer; imperative; imperator; imperial; juniper; multiparous; nulliparous; oviparous; para- (2) "defense, protection against; that which protects from;" Parabellum; parachute; parade; parados; parapet; parasol; pare; parent; -parous; parry; parturient; poor; post-partum; preparation; prepare; primipara; puerperal; rampart; repair (v.1) "to mend, put back in order;" repertory; separate; sever; several; spar (v.); viper; vituperation; viviparous.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit prthukah "child, calf, young of an animal;" Greek poris "calf, bull;" Latin parare "make ready, prepare," parire "produce, bring forth, give birth to;" Czech spratek "brat, urchin, premature calf;" Lithuanian periu, perėti "to brood;" Old High German farro, German Farre "bullock," Old English fearr "bull."
late 14c., severen, transitive, "cause a separation or division, put or keep apart," from Anglo-French severer, Old French sevrer "to separate" (12c., later in French restricted to "to wean," i.e. "to separate from the mother"), from Vulgar Latin *seperare, from Latin separare "to pull apart," from se- "apart" (see secret (n.)) + parare "make ready, prepare" (from PIE root *pere- (1) "to produce, procure"). A Frenchified doublet of separate (v.). Intransitive sense of "go asunder, move apart" is from c. 1400. Related: Severed; severing.
"articles of (women's) clothing that may be worn in various combinations," 1945, from separate (adj.). Earlier, in the publishing trade, the word meant "printed article or document issued separately, for distribution, from the volume of which it forms a part" (1886). As a noun, separate is attested from 1610s in the sense "separatist."
word-forming element used in forming nouns from Latin words ending in -atus, -atum (such as estate, primate, senate). Those that came to English via French often arrived with -at, but an -e was added after c. 1400 to indicate the long vowel. The suffix also can mark adjectives formed from Latin past participles in -atus, -ata (such as desolate, moderate, separate); again, they often were adopted in Middle English as -at, with an -e appended after c. 1400.
late 14c., "detached, separated, distinct" (a sense now obsolete), from Old French separable and directly from Latin separabilis, from separare "to pull apart" (see separate (v.)). The meaning "capable of being disjointed or disunited" is from 1530s. Related: Separableness; separably; separability.