Etymology

From Proto-Indo-European *seh₂- ‎(“to satiate, be satisfied”). Cognates include Lithuanian sotis ‎(“satiety”), Sanskrit असिन्व​ ‎(a-sinvá, “insatiable”), Ancient Greek ἄω ‎(áō, “to satiate”) Latin satis ‎(“enough, filled”) and Old English sæd ‎(“full, sated”).