←
Old English cwealm (inherited)
←
German Qualm (borrowed)
←
English quell (mention)
←
Middle English qualm (inherited)
←
Middle English cwalm (mention)
←
Proto-West Germanic *kwalm (inherited)
←
Proto-Indo-European *gʷelH- (root)
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Proto-Indo-European *gʷelH- (derived)