ὑποτέμνω · hypotemnō — LSJ
cut away under or underneath, ὑπὸ γλῶσσαν τάμε χαλκός Il. 5.74; ταμὼν ὕπο πυθμένʼ ἐλαίης Od. 23.204; ὑ. τὰς ἀγκύρας Plu. Ant. 32:—Pass., ὑποτέτμηται τὰ νεῦρα τῶν πραγμάτων D. ap. Aeschin. 3.166; τὰς ῥίζας ὑποτετμημένος having them cut away below, Luc. Tim. 8; ὑποτμηθεὶς τὴν ἰγνύαν hamstrung, Id. Tox. 60.
trim the surfaces of blocks of stone, IG 7.3073.110 (Lebad., ii B. C.).
cut underhand, i.e. in a cheating way, of a roguish leather-seller, Ar. Eq. 316 (troch.).
cut off, intercept, ὑ. πηγάς Pl. Lg. 844a; ὑ. τὴν ἐλπίδα X. HG 2.3.34; [τὰς ῥίζας] Diog.Oen. 29:—more freq. in Med., ὑποταμέσθαι τὸ ἀπὸ τῶν νεῶν (sc. αὐτοῖς) Hdt. 5.86; ὑποτεμοῦμαι τὰς ὁδούς σου I will cut off your way, stop you short, Ar. Eq. 291, cf. Arist. Mete. 356a27; ὑ. τὸν πλοῦν X. HG 1.6.15; ὑποτέμνεσθαί τινας intercept them, Id. Cyr. 1.4.19, cf. HG 7.1.29; τοὺς χρόνους ὑμῶν ὑ. Aeschin. 3.67; τὰς ὁρμάς, τὴν ἐπίνοιαν, Plb. 18.38.1, 36.3.1, etc.; forestall, τὴν ἀκόντισιν αὐτῶν . . δρόμῳ .