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Old English swīþ (inherited)
←
Old English swīþe (inherited)
←
English swift (mention)
←
Middle English swith (inherited)
←
Middle English swith (inherited)
←
Middle English swithe (mention)
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West Frisian swiid (cognate)
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Proto-Germanic *swinþa (inherited)
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Middle High German swind (cognate)
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Middle Low German swîde (cognate)
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Proto-Indo-European *swento- (derived)
←
Proto-Indo-European *swento- (derived)
←
Low German swied (cognate)
←
Low German swied (cognate)
←
Old Saxon swīth (cognate)
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Saterland Frisian swied (cognate)
→
English sound (mention)
→
Old English swiþ (mention)
→
Old English swiþe (link)
→
Low German swied (cognate)