1275-1325;Middle Englishenamelen < Anglo-Frenchenameler, enamailler, equivalent to en-en-1 + -amaler, derivative of asmal, esmal enamel, Old Frenchesmail (-al taken as the suffix -ail) < Old Low Franconian*smalt- something melted, cognate with GermanSchmalz fat; akin to smelt1; cf. smalto
early 14c., from Anglo-French enamailler (early 14c.), from en- "in" (see en- (1)) + amailler "to enamel," variant of Old French esmailler, from esmal "enamel," from Frankish *smalt, from Proto-Germanic *smaltjan "to smelt" (see smelt (v.)). Related: Enameled; enameling.