perturber

perturber, vt.

ārǣran/ārēran (Vf1) ♦ (ge)drēfan/(ge)drǣfan, got. drōbjan, v.h.a. truoben > all.m. trüben {Vf1}, v.s. drōƀian/druovan ♦ (ge)unstill(i)an (Vf).