- fat (adj.)
- O.E. fætt, originally a contracted pp. of fættian "to cram, stuff," from P.Gmc. *faitaz "fat" (cf. O.N. feitr, Du. vet, Ger. feist), from PIE *poid- "to abound in water, milk, fat, etc." (cf. Gk. piduein "to gush forth"), from base *poi- "sap, juice" (cf. Skt. payate "swells, exuberates," Lith. pienas "milk," Gk. pion "fat, wealthy," L. pinguis "fat"). Fig. sense of "best or most rewarding part" is from 1570; teen slang meaning "attractive, up to date" (also later phat) is attested from 1951. Fat cat "privileged and rich person" is from 1928; fat chance "no chance at all" attested from 1906. Fathead is from 1842; fat-witted is from 1596; fatso is first recorded 1944.