English pentagon

← English penta (confix)

← English gon (confix)

← Middle French pentagone (derived)

← Ancient Greek πεντάγωνον (derived)

← Ancient Greek πεντάγωνος (mention)

← Ancient Greek πέντε (mention)

← Ancient Greek -γωνος (mention)

→ English pentagonal (affix)

→ English pentagonous (suffix)

→ English pentagonoid (suffix)