unbefriending

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Germanic *un-
Proto-West Germanic *un-
Old English un-
Middle English un-
English un-
Proto-Indo-European *h₁ep-der.
Proto-Indo-European *h₁épsder.
Proto-Indo-European *h₁epider.
Proto-Indo-European *h₁pi
Proto-Germanic *bider.
Proto-Germanic *bi-
Proto-West Germanic *bi-
Old English be-
Middle English bi-
English be-
Proto-Indo-European *preyH-
Proto-Indo-European *-ós
Proto-Indo-European *priHós
Proto-Germanic *frijōną
Proto-Germanic *frijōndz
Proto-West Germanic *friund
Old English frēond
Middle English frend
English friend
English befriending
English unbefriending
From un- + befriending.