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Indo-European
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Proto-Germanic
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> *þ
ai
smjan-
N (m)
sourdough
Source:
Kroonen 2013
:531
Words originating from this one
OE
þǣsma
"sourdough" (þaismjan-
>
þāsmjan
>
þǣsmjan
>
þǣsman) through pgmc-to-oe
(source:
Kroonen 2013
:531)