Yours, Etc.: Origins and Uses of 8 Sign-Offs
1814 in the cookery sense, agent noun from steam (v.). From 1825 as "a vessel propelled by steam," hence steamer trunk (1885), one that carries the essentials for a voyage.
Old English steam "vapor, fume," from Proto-Germanic *staumaz (cf. Dutch stoom), of unknown origin. Steam age first attested 1941. Steam heat as a method of temperature control recorded from 1904.
Old English stemen, stymen "to emit a scent or odor," from the root of steam (n.). Slang meaning "to make angry" is from 1922. Related: Steamed; steaming.