ὀποβάλσαμον
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English (LSJ)
τό,
A the juice of the balsam-tree, balsam of Mecca, Thphr.HP4.4.14,CP6.18.2, J.AJ14.4.1, Gal.12.554, Edict.Diocl.inBCH22.403 (written ὀποπ-, as also in PMed.Strassb. p.4 K., Gloss.); the tree itself, Balsamodendron Opobalsamum, J.AJ 8.6.6, al.
German (Pape)
[Seite 361] τό, Saft des Balsambaumes, Diosc. u. A.