προοφείλω
τῶν λεγομένων τά μέν κατά συμπλοκήν λέγεται, τά δέ ἄνευ συμπλοκῆς → forms of speech are either simple or composite (Aristotle, Categoriae 1a16-17)
English (LSJ)
Att. contr. προὐφ-,
A owe beforehand, πολλὰ πολλοῖς D.C. 47.16: metaph., π. κακόν τινι owe one an atonement, i.e. deserve evil at his hands, E.IT523; κακὸν ταῖς πλευραῖς π. owe one's ribs a mischief, i.e. deserve a beating, Ar.V.3; π. τι χρηστὸν τῇ πόλει παραινέσαι Id.Lys. 648:—Pass., to be due beforehand, of debts, ὁ προοφειλόμενος φόρος the arrears of tribute, Hdt.6.59, cf. X.HG1.5.7; τὸ ληφθὲν προωφέλετο ἱματιοκαπήλῳ Luc.Merc.Cond.38: generally, ἔχθρη προοφειλομένη ἐς Ἀθηναίους the hatred they had long had reason to feel, Hdt.5.82; εὐεργεσία προὐφειλομένη a kindness that has long remained as a debt, Th.1.32; προωφείλετο αὐτῷ κακόν a debt of punishment had long been owing to him, Antipho 5.61, cf. D.21.77; ἦν μοί τις οὐ μικρὰ π. χάρις Luc.Abd.15. II to be bound to do, τὸ προὐφείλειν καλῶς πράσσειν . . τούσδε E.Heracl.240.