before 1000;Middle Englisheemer, emeri,Old Englishǣmerge, ǣmyrie (cognate with Old Norseeimyrja,Old High Germaneimuria), equivalent to ǣm- (cognate with Old Norseeimr steam) + -erge, -yrie, akin to Old Englishys(e)le ember, Latinūrere to burn
O.E. æmerge "ember," merged with or infl. by O.N. eimyrja, both from P.Gmc. *aim-uzjon "ashes" (cf. Ger. Ammern), from *aima- "ashes" + *uzjo "to burn," from PIE base *ai- "to burn." The -b- is intrusive.