"tending toward or productive of peace," 1866, from Greek eirēnikos, from eirēnē "peace, time of peace," a word of unknown etymology. Earlier as irenic (1864), irenical (1650s).
eighty-six
Eileen
Einstein
einsteinium
Eire
eirenic
eisegesis
Eisenhower
Eisteddfod
either
ejaculate