Origin: 1400–50;late Middle English (adj.) < Latinsatiātus (past participle of satiāre to satisfy), equivalent to sati-enough (akin to sad) + -ātus-ate1
c.1440 (implied in pp. adj. satiate), from L. satiatus, pp. of satiare "fill full, satisfy," from satis "enough," from PIE base *sa- "to satisfy" (cf. Goth. saþs "satiated," O.E. sæd "satisfied;" see sad). Related: Satiation.