Etymology

From Proto-Iranian (compare Persian ناخن ‎(nâxon), Baluchi ناہن ‎(náhun), ناکن ‎(nákun)), from Proto-Indo-Iranian (compare Sanskrit नख ‎(nakha), Hindi नख ‎(nakh)), from Proto-Indo-European *h₃nogʰ- (compare Armenian եղունգ ‎(ełung), Lithuanian nagas, Russian нога ‎(nogá), ноготь ‎(nógot’), Greek νύχι ‎(nýchi), Italian unghia, Irish ionga, English nail).