c. 1200, "unmarried or chaste woman noted for religious piety and having a position of reverence in the Church," from Anglo-French and Old French virgine "virgin; Virgin Mary," from Latin virginem (nominative virgo) "maiden, unwedded girl or woman," also an adjective, "fresh, unused," probably related to virga "young shoot," via a notion of "young" (compare Greek talis "a marriageable girl," cognate with Latin talea "rod, stick, bar").
Meaning "young woman in a state of inviolate chastity" is recorded from c. 1300. Also applied since early 14c. to a chaste man. Meaning "naive or inexperienced person" is attested from 1953. The adjective is recorded from 1550s in the literal sense; figurative sense of "pure, untainted" is attested from c. 1300. The Virgin Islands were named (in Spanish) by Columbus for St. Ursula and her 11,000 martyred virgin companions.
c. 1200, "fact of being born;" mid-13c., "act of giving birth, a bringing forth by the mother, childbirth," sometimes in Middle English also "conception;" also "that which is born, offspring, child;" from a Scandinavian source such as Old Norse *byrðr (replacing cognate Old English gebyrd "birth, descent, race; offspring; nature; fate"), from Proto-Germanic *gaburthis (source also of Old Frisian berd, Old Saxon giburd, Dutch geboorte, Old High German giburt, German geburt, Gothic gabaurþs), from PIE *bhrto past participle of root *bher- (1) "to carry; to bear children" (compare bear (v.)).
Suffix -th is for "process" (as in bath, death). Meaning "condition into which a person is born, lineage, descent" is from c. 1200 (also in the Old English word). In reference to non-living things, "any coming into existence" is from 1610s. Birth control is from 1914; birth certificate is from 1842.
"reproduction without fertilization or sexual union," 1849, from Greek parthenos "a virgin," a word of unknown origin, + -genesis "birth, origin, creation." Related: Parthenogenetic.
"of or of the nature of a virgin," 1834, from Greek parthenikos, from parthenos "virgin," a word of unknown origin.