Lewis Short
(adjective) : intrinsĕcus, a, um
* Inward (late Lat.): lumina cordis intrinseca,Cassiod. in Psa. 118, 82.
Charlton T. Lewis, Charles Short, A Latin Dictionary
Lewis Short
(adverb) : intrinsĕcus, intra-secus
* On the inside, inwardly (mostly ante-class. and post-Aug.): eam intrinsecus eādem re perinungunt,Varr. R. R. 2, 11, 7: sudabant fauces, intrinsecus atrae, sanguine,Lucr. 6, 1147: intrinsecus cavum, extrinsecus gibberum est,Cels. 4, 1; cf. opp. exterius,Col. 12, 44, 5; 8, 3, 6: latebant,Amm. 20, 11, 9.
* Towards the inside, inwards: replicata jocinera,Plin. 11, 37, 73, § 190; Suet. Aug. 95.
Charlton T. Lewis, Charles Short, A Latin Dictionary