by turning, bore" (cf. Skt. turah "wounded, hurt," Gk. teirein "to rub, rub away," L. terere "to rub, thresh, grind, wear away," O.C.S. tiro "to rub," Lith. trinu "to rub," O.Ir. tarathar "borer," Welsh taraw "to strike"). Not the usual O.E. word for "to throw" (weorpan, related to warp
was common in this sense). The sense evolution may be via the notion of whirling a missile before throwing it. The sense of "put by force" (e.g. throw in jail) is first recorded 1560; that of "to confuse, flabbergast" is from 1844; that of "lose deliberately" is from 1868. To throw the book at (someone) is 1932, from notion of judge sentencing a criminal from a law book full of possible punishments. To throw (one's) hat in the ring "issue a challenge," esp. to announce one's candidacy, first recorded 1917. To throw up "vomit" is first recorded 1732.