English frounce

← German Runzel (cognate)

← Middle Dutch ronse (cognate)

← Middle English frouncen (inherited)

← Old French froncir (derived)

← Proto-Germanic *hrunkijō (derived)

← Proto-Germanic *hrunkitō (mention)

← Old High German runza (cognate)

← Icelandic hrukka (cognate)

← Old Norse hrukka (cognate)

→ English canker (link)

→ English ruck (link)

→ English frouzy (mention)