onychotrophy

on·y·chot·ro·phy

(on'i-kot'rō-fē),
Nutrition of the nails.
[onycho- + G. trophē, nourishment]

onychotrophy

(ŏn-ĭ-kŏt′rō-fē) [″ + trophe, nourishment]
Nourishment of the nails.