Word Origin & History
sedentary1598, "remaining in one place," from M.Fr. sedentaire, from L. sedentarius "sitting, remaining in one place," from sedentem (nom. sedens), prp. of sedere "to sit," from PIE base *sed- "to sit" (cf. Skt. a-sadat "sat down," sidati "sits;" O.Pers. hadis "abode;" Gk. ezesthai "to sit," hedra "seat, chair,
face of a geometric solid;" O.Ir. suide "seat, sitting;" Welsh sedd "seat," eistedd "sitting;" O.C.S. sezda, sedeti "to sit;" Lith. sedmi "to sit;" Rus. sad "garden," Lith. soditi "to plant;" Goth. sitan, O.E. sittan "to sit;" see
sit). Of persons, meaning "not in the habit of exercise" is recorded from 1662.