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-Fr. enamailler, from en- "in" + amailler "to enamel," variant of O.Fr. esmailler, from esmail "enamel," from Frank. *smalt, from P.Gmc. *smaltjan "to smelt." Related: Enameled; enameling.