Dutch taai

← German zäh (cognate)

← Middle Dutch taey (inherited)

← English tough (cognate)

← Proto-Germanic *tanhuz (derived)

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

← Proto-Indo-European *denḱ- (root)

← Old Dutch *tāi (inherited)

← Old Dutch (mention)

→ English tough (cognate)

→ German zäh (cognate)

→ Luxembourgish zéi (cognate)

→ Dutch taaitaai (compound)

→ Dutch taaitaai (compound)

→ Dutch taaislijmziekte (compound)