Etymograph
>
Indo-European
>
Old English
>
Dictionary
>
þr
æ
gan
V
run
Source:
Kroonen 2013
:544,
https://en.wiktionary.org/wiki/þrægan#Old_English
,
https://bosworthtoller.com/31979
originates from: PGmc
*þragjan-
"run" (þragjan-
>
þraggjan
>
þræggjan
>
þræċġjan
>
þreċġjan
>
þreċġan) through pgmc-to-oe
(source:
Kroonen 2013
:544)