Subter, Præpositio, vtrique casui seruiens, accusatiuo, & ablatiuo Relatiuum habet Super. Stat.Vnder.Subter humum. Subter densa testudine. Virg. Subter sine casu. Plin. Incisuras verò subter, vt manus humana. Hauing lines or streakes vnder, or in the neather parte.
Lewis and Short: Latin dictionary
subter (also supter), adv. and prep. [sub]. I.Adv., below, beneath, underneath: navem in fugam transdunt subter saxa, Att. ap. Non. 155, 8 (Trag. Rel. v. 630 Rib.): terram fac ut esse rearis Subter item, ut supera, Lucr. 6, 537: partim quod supter per terras diditur omnis, id. 5, 268: aliam naturam supter habere, id. 5, 536: omnia haec, quae supra et subter, unum esse, Cic. de Or. 3, 5, 20; id. poët. N. D. 2, 42, 106: anulus subter adhaerens, Lucr. 6, 914: oculum subter premere, id. 4, 447: subter mediam fere regionem sol obtinet, Cic. Rep. 6, 17, 17.—Comp.: subterius (opp. superius), Isid. 16, 8, 4.—II.Prep. with acc. and abl., below, beneath, underneath, under (rare but class.). (a). With acc.: cupiditatem subter praecordia locavit, Cic. Tusc. 1, 10, 20; cf. id. ib. 5, 1, 4: subter pineta, Prop. 2, 34 (3, 32), 67: subter fastigia tecti, Verg. A. 8, 366: agere vias subter mare, id. ib. 3, 695: subter imas cavernas, Ov. M. 5, 502: manu subter togam exserta, Liv. 8, 9: super subterque terram pugnare, id. 39, 4: subter murum hostium ad cohortes advehitur, underneath, i. e. close to the walls, id. 34, 20: latitudo Italiae subter radices (Alpium), Plin. 3, 19, 23, 132; Stat. Th. 12, 711; Petr. 98.—(b). With abl.: Rhoeteo subter litore, Cat. 65, 7: subter densā testudine, Verg. A. 9, 514.—III. In composition, subter, like sub, denotes underneath, beneath: subteractus, subterfluo, etc.; and also, transf., secretly, privately, clandestinely: subterduco, subterfugio. It is sometimes doubtful whether subter forms a compound with a verb, or is an adverb qualifying it.