Etymograph
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Indo-European
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Proto-West Germanic
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Dictionary
> *bif
a
stijan
to make fast, secure
Source:
https://en.wiktionary.org/wiki/Reconstruction:Proto-West_Germanic/bifastijan#Proto-West_Germanic
Words originating from this one
OE
befæstan
"to fasten" (bifastijan
>
bifæstijan
>
bifæstjan
>
bifestjan
>
bifestan) through pwgmc-to-oe