Lewis Short
(adverb) : intus, 1. in and the abl. termination -tus; Sanscr. -tas; cf. ἐντός.
* On the inside, within: ibi intro atque intus subducam ratiunculam,Plaut. Capt. 1, 2, 89: vide sitne istaec nostra intus,id. Mil. 2, 6, 55: intus insidiae sunt: intus inclusum periculum est: intus est hostis,Cic. Cat. 2, 5: estne frater intus?Ter. Ad. 4, 2, 30: intus domique,Cic. de Sen. 4: ea, quae sunt intus in corpore,id. Fin. 3, 5, 18; cf.: intus in mundo,id. Univ. 10: intus in animis,id. Fin. 1, 13, 44; so, intus in cella Fortis Fortunae,Liv. 27, 11, 3: te intus et in cute novi,Pers. 3, 30: extra et mtus hostem habere,Caes. B. C. 3, 69.— Poet., with abl.: membris intus,Lucr. 4, 1091: tali intus templo,Verg. A. 7, 192.— With gen.: aedium,i.e. in the house,App. M. 8, p. 215, 24: adductos intus agere equos,closer to the goal,Ov. F. 6, 586; cf.: intus agere lacrimas,to moderate,Albin. Eleg. 114.—Prov.: intus canere, v. Aspendius.
* To the inside, into, within, in (for the usual intro, cf. Quint. 1, 5, 50): intus novam nuptam deduxi viā, rectā,into the house,Plaut. Cas. 5, 2, 7 dub. (al. intro): die, me orare ut aliquis intus prodeat,id. Cist. 3, 8: quo simul atque intus est itum,Caes. B. C. 3, 26 (al. intro): intus in artus,Lucr. 2, 711; Ov. M. 10, 457; Tac. H. 1, 35: pollice intus inclinato, inwards ( = introrsus), Quint. 11, 3, 99; so Cels. 8, 4.
* From within = ἔνδοθεν, ex interiore parte (mostly anteclass.; cf. Brix ad Plaut. Capt. 196): tu in tus pateram proferto foras,Plaut. Am. 2, 2, 138: evocato aliquem intus ad te,id. Most. 3, 1, 145; id. Men. 1, 3, 35; id. Mil. 4, 4, 33; 49; cf.: intus evocato aliquem foras,id. Ps. 2, 2, 10; and: argentum intus efferre foras,id. Bacch. 1, 1, 62: obsera otium intus,Ter. Eun. 4, 6, 25: quicquid spinosum est et intus eminet,Cels. 8, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary