German quellen

← Proto-Germanic *kwellǭ (inherited)

← Middle High German quellen (inherited)

← Old High German quellan (inherited)

→ English qualm (derived)

→ English kvell (cognate)

→ German Qualm (mention)

→ German Qualle (mention)

→ German Qualle (mention)

→ Luxembourgish quëllen (cognate)

→ Yiddish קוועלן (cognate)