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Indo-European
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Proto-Germanic
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Dictionary
> *h
a
rdijaną
V
to harden
Source:
Ringe 2014
:242
Words originating from this one
OE
hierdan
"to harden" (hardijaną
>
hardijan
>
hærdijan
>
hærdjan
>
heardjan
>
hierdjan
>
hierdan) through pgmc-to-oe
(source:
Ringe 2014
:242)