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þr
a
fian
V (v-weak-2)
to urge; to rebuke, correct
Source:
Kroonen 2013
:544,
https://en.wiktionary.org/wiki/þrafian#Old_English
originates from: PGmc
*þrabōn-
"trot" (þrabōn-
>
þrabōjan
>
þræβōjan
>
þraβōjan
>
þraβian
>
þrafian) through pgmc-to-oe
(source:
Kroonen 2013
:544)