KOSHERING
Verb
koshering
present participle of kosher
Source: Wiktionary
KOSHER
Ko"sher, a. [heb. koshër fit, proper.]
Definition: Ceremonially clean, according to Jewish law; --applied to food,
esp. to meat of animals slaughtered according to the requirements of
Jewish law. Opposed to tref. Hence, designating a shop, store, house,
etc., where such food is sold or used.
Ko"sher, n.
Definition: Kosher food; also, a kosher shop.
Ko"sher, v. t. [imp. & p. p. Koshered; p. pr. & vb. n. Koshering.]
Definition: To prepare in conformity with the requirements of the Jewish
law, as meat.
Source: Webster’s Unabridged Dictionary 1913 Edition