The Collaborative International Dictionary
Eirenic
Eirenic \Ei*ren"ic\, a. Pacific. See Irenic.
Douglas Harper's Etymology Dictionary
eirenic
"tending toward or productive of peace," 1866, from Greek eirenikos, from eirene "peace, time of peace." Earlier as irenic (1864), irenical (1650s).
Wiktionary
eirenic
a. Variant of irenic