late 14c., "man-like or heroic woman, woman of extraordinary stature, strength and courage," from Latin virago "female warrior, heroine, amazon," from vir "man" (from PIE root *wi-ro- "man"). Ælfric (c. 1000), following Vulgate, used it in Genesis ii.23 as the name Adam gave to Eve (KJV = woman):
Beo hire nama Uirago, þæt is, fæmne, forðan ðe heo is of hire were genumen.
It forms all or part of: curia; Fergus; triumvir; triumvirate; Weltanschauung; Weltschmerz; werewolf; wergeld; world; virago; virile; virility; virtue; virtuosity; virtuoso; virtuous.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit virah, Avestan vira-, Latin vir, Lithuanian vyras, Old Irish fer, Welsh gwr, Gothic wair, Old English wer "a man."
"coarse, frolicsome girl or woman," mid-15c., rampe, "a virago, shrew," perhaps from early senses of ramp (v.) via the notion of "rear up on the hind legs to attack," hence, of persons, "to attack like a rampant animal." Also compare ramp (n.1). Johnson's Dictionary (1755) has romp: "a rude, awkward, boisterous, untaught girl."