←
Old English ċēo (inherited)
←
Old English ċeahhe (mention)
←
Middle English choughe (inherited)
←
Middle English choȝe (mention)
←
Middle English coo (mention)
←
Middle English cheo (mention)
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West Frisian ka (cognate)
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Proto-West Germanic *kahwu (inherited)
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Proto-Indo-European *gewH- (derived)