seat

{{11}}seat (n.¹) "thing to sit on, act of sitting," c.1200, from O.N. sæti "seat, position," from P.Gmc. *sæt- (Cf. O.H.G. saze, M.Du. gesaete "seat," O.H.G. gisazi, Ger. Gesäß "buttocks"), from PIE root *sed- "to sit" (see SIT (Cf. sit)). Meaning "posterior of the body" (the sitting part) is from c.1600; sense of "part of a garment which covers the buttocks" is from 1835. Seat belt is from 1932, originally in airplanes.

{{12}}seat (n.²) "residence, abode, established place," late 13c., extended use of SEAT (Cf. seat) (n.¹), influenced by O.Fr. siege "seat, established place," and L. sedes "seat." Meaning "city in which a government sits" is attested from c.1400. Sense of "place in a parliament or other legislative body" is attested from 1774. Old English had sæt "place where one sits in ambush," which also meant "residents, inhabitants," and is the source of the -set in Dorset and Somerset.

{{12}}seat (v.) 1570s, from SEAT (Cf. seat) (n.¹). Related: Seated; seating.