ONYCHIA

Etymology 1

Noun

onychia (countable and uncountable, plural onychias)

A whitlow.

An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail.

Etymology 2

Noun

onychia

plural of onychium

Source: Wiktionary

O*nych"i*a, n. Etym: [NL. See Onyx.] (Med.) (a) A whitlow. (b) An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail.

Source: Webster’s Unabridged Dictionary 1913 Edition