Word Origin & History
true
O.E. triewe (W.Saxon), treowe (Mercian) "faithful, trustworthy," from P.Gmc. *trewwjaz "having or characterized by good faith" (cf. O.Fris. triuwi, Du. getrouw, O.H.G. gatriuwu, Ger. treu, O.N. tryggr, Goth. triggws "faithful, trusty"), perhaps ultimately from PIE *dru- "tree," on the notion of "steadfast as an oak." Cf., from same root, Lith. drutas "firm," Welsh drud, O.Ir. dron "strong," Welsh derw "true," O.Ir. derb "sure." Sense of "consistent with fact" first recorded c.1205; that of "real, genuine, not counterfeit" is from 1398; that of "agreeing with a certain standard" (as true north) is from c.1550. Of artifacts, "accurately fitted or shaped" it is recorded from 1474; the verb in this sense is from 1841. Truism "self-evident truth" is from 1708, first attested in writings of Swift. True-love (adj.) is recorded from 1495; true-born first attested 1591. True-false as a type of test question is recorded from 1923.