DISOWNING
disownment, disowning
(noun) refusal to acknowledge as one’s own
Source: WordNet® 3.1
Verb
disowning
present participle of disown
Source: Wiktionary
DISOWN
Dis*own", v. t. [imp. & p. p. Disowned; p. pr. & vb. n. Disowning.]
1. To refuse to own or acknowledge as belonging to one's self; to
disavow or deny, as connected with one's self personally; as, a
parent can hardly disown his child; an author will sometimes disown
his writings.
2. To refuse to acknowledge or allow; to deny.
Then they, who brother's better claim disown, Expel their parents,
and usurp the throne. Dryden.
Syn.
– To disavow; disclaim; deny; abnegate; renounce; disallow.
Source: Webster’s Unabridged Dictionary 1913 Edition