Word Origin & History
heavyO.E. hefig, from P.Gmc. *khabigas (cf. O.N. hebig, O.N. hofugr), from *kafjanan and thus related to heave (q.v.). Theatrical (noun) sense of "villain" is 1880, from the adj. Jazz slang sense of "profound, serious" is from 1937. Heavy-handed was originally (1633) "weary" or "clumsy," sense of "overbearing"
EXPANDis first recorded 1883. Heavyweight is 1857, of horses, 1877 of fighters.
COLLAPSE