nieceship en · NOUN
Etymology
From niece + -ship.
Meanings
-
(uncountable) The state, condition, or relationship of a niece.
The problem of inadequate motivation is much more acute in The Fancies Chaste and Noble, where the whole plot turns upon the fact that the Fancies are Octavio's nieces, but a reason for concealing their nieceship is never given.
1988, Michael Neil, John Ford: