Old French hernois

← Old Norse *hernest (borrowed)

← Old Norse herr (derived)

← Old Norse nest (mention)

→ English harness (derived)

→ Catalan arnès (borrowed)

→ French harnais (mention)

→ Middle French harnas (derived)

→ Italian arnese (borrowed)

→ Dutch harnas (derived)

→ Norman hèrnais (inherited)

→ Old Occitan arnes (cognate)

→ Portuguese arnês (mention)