Sushruta Samhita
तदेवाक्षतरोगाख्यं तथोपनखमित्यपि । अभिघातात् प्रदुष्टो यो नखो रूक्षोऽसितः खरः ॥२२॥
That very condition is known as "Akshataroga" and also as "Upanakhah." If the nail is injured, it becomes rough, black, and harsh.
english translation
यह स्थिति 'अक्षतरोग' और 'उपनख' के रूप में जानी जाती है। यदि नख को चोट पहुँचती है, तो वह रूखा, काला और कठोर हो जाता है।
hindi translation
tadevAkSatarogAkhyaM tathopanakhamityapi । abhighAtAt praduSTo yo nakho rUkSo'sitaH kharaH ॥22॥
hk transliteration by Sanscript