←
Middle High German wolken (inherited)
←
Old High German wolkan (inherited)
←
Proto-Indo-European *welg- (derived)
←
Proto-Slavic *volga (cognate)
←
Albanian ulmej (cognate)
→
English cloud (cognate)
→
Alemannic German Wulche (cognate)
→
Luxembourgish Wollek (cognate)
→
Latvian valgs (cognate)
→
Mòcheno bolkh (cognate)