- weight O.E. gewiht, from P.Gmc. * (ga)wekhtiz, * (ga)wekhtjan (Cf. O.N. vætt, O.Fris. wicht, M.Du. gewicht, Ger. Gewicht), from *weg- (see WEIGH (Cf. weigh)). The verb meaning "to load with weight" is attested from 1747; sense in statistics is recorded from 1901. To lose weight "get thinner" is recorded from 1961. Weight Watcher as a trademark name dates from 1960. To pull one's weight (1921) is from rowing.
Etymology dictionary. 2014.