in-sĕnesco, nui, 3,
v. inch. n. , to grow old in or at a thing; constr. with dat. (poet. and post-Aug. prose): insenuit Libris et curis, Hor. Ep. 2, 2, 82: malis, Ov. P. 1, 4, 48: singulis actionum partibus, Quint. 10, 3, 11: iisdem negotiis, Tac. A. 4, 6.
īn-senēscō nuī, —, ere, inch, to grow old in, spend a life upon: libris, H.: malis, O. ...
An Elementary Latin Dictionary