Danish bølge

← Danish bælg (cognate)

← Proto-Germanic *bulgijō (inherited)

← Proto-Indo-European *bʰelǵʰ- (root)

← Proto-Indo-European *bʰelǵʰ- (derived)

← Norwegian Nynorsk bølgje (cognate)

← Old Norse bylgja (inherited)

← Swedish bölja (cognate)

→ English billow (cognate)

→ Danish mikrobølge (compound)

→ Danish bølgefunktion (compound)

→ Danish bølgebryder (affix)

→ Danish bovbølge (affix)

→ Danish bølgeblik (affix)