KITTENING
Etymology
Noun
kittening (usually uncountable, plural kittenings)
The giving birth of kittens
Verb
kittening
present participle of kitten
Source: Wiktionary
KITTEN
Kit"ten, n. Etym: [OE. kiton, a dim. of cat; cf. G.kitze a young cat,
also a female cat, and F. chaton, dim. of chat cat, also E. kitling.
See Cat.]
Definition: A young cat.
Kit"ten, v. t. & i. [imp. & p. p. Kittened; p. pr. & vb. n.
Kittening.]
Definition: To bring forth young, as a cat; to bring forth, as kittens.
Shak. H. Spencer.
Source: Webster’s Unabridged Dictionary 1913 Edition