Dutch koel

← Middle Dutch coel (inherited)

← Proto-Germanic *kōlaz (inherited)

← Proto-West Germanic *kōl(ī) (inherited)

← Proto-Indo-European *gel- (root)

← Dutch koelen (link)

← Dutch koelte (link)

← Dutch koeltjes (link)

← Dutch koele kikker (link)

← Old Dutch *kuol (inherited)

→ English cool (cognate)

→ German kühl (cognate)

→ Luxembourgish kill (cognate)

→ Dutch cool (doublet)

→ Dutch koelte (suffix)

→ Dutch koelen (affix)

→ Dutch koelbloedig (affix)

→ Pennsylvania German kiehl (cognate)