imperturbable

imperturbable, adj.

ef(e)n/æfen/emn > a.m. even, got. ibns, ibna, v.n. jafn, v.h.a. eban > all.m. eben, v.s. eban, v.fr. ivin/ even ♦ smōþ > a.m. smooth ♦ smylte/smilte.