ponos

πόνος, ὁ,
(πένομαι) work, especially hard work, toil, in Refs 8th c.BC+ mostly of the toil of war, μάχης π. the toil of battle, Refs 8th c.BC+; πόνος alone, ={μάχη},Refs 8th c.BC+; πόνον ἔχειν, ={μάχεσθαι}, Refs 8th c.BC+; ἐν τούτῳ τῷ π. ὁ πολέμαρχος διαφθείρεται in this struggle (at Marathon), Refs 5th c.BC+
2 generally, toil, labour, ἐπεὶ παύσαντο πόνου Refs 8th c.BC+; π. ὀρνίθεσσι τιθείη cause toil to them, Refs 8th c.BC+; π. λαβόντας incurring toil, Refs 5th c.BC+; μάταιος π. labour in vain, Refs 5th c.BC+; ἔχει πόνον πολύν involves much trouble, Refs 5th c.BC+ when the tackle labours in the sea, Refs 5th c.BC+
3 of special kinds of labour, bodily exertion, exercise, στρατιωτικοὶ π. Refs 5th c.BC+; of exertions in the games, Refs 8th c.BC+, etc.; γυμνάσια.., νεανιᾶν (probably) πόνον the scene of youthful labours, Refs 5th c.BC+
4 work, task, business, ἐπεὶ π. ἄλλος ἔπειγεν Refs 8th c.BC+; enterprise, undertaking, Refs 5th c.BC+
5 implements for labour, stock-in-trade, οὗτος τοῖς ἁλιεῦσιν ὁ πᾶς πόνος Refs 3rd c.BC+; καὶ πόνος ἐντὶ θάλασσα the sea is their workshop, Refs 2nd c.BC+
II stress, trouble, distress, suffering, Refs 8th c.BC+; ἐν τούτῳ τῷ π., of a storm, Refs 5th c.BC+; ὁ Μηδικὸς [π.] the trouble from the Medes, Refs 5th c.BC+, etc.: in plural, sufferings, Refs 4th c.BC+; πόνους πονεῖν Refs 5th c.BC+; also of disease, κατέβαινεν ἐς τὰ στήθη ὁ π. Refs 5th c.BC+
II.2 pain, especially physical, δύο π. ἅμα γενομένων, μὴ κατὰ τὸν αὐτὸν τόπον, ὁ σφοδρότερος ἀμαυροῖ τὸν ἕτερον LXX+5th c.BC+; distinguished from λύπη (pain in general), Refs 3rd c.AD+; but sometimes ={λύπη}, Refs 4th c.BC+
III anything produced by work, a work, μελισσᾶν τρητὸς π., of honey, Refs 5th c.BC+; ὁ ἐμὸς ὠδίνων π., of a child, Refs; so, πόνον ὀρταλίχων ὀλέσαντες, i.e. the nestlings, Refs 4th c.BC+; τοὺς ἡμετέρους π. the fruits of our labour, Refs 5th c.BC+
IV Πόνος personified as son of Eris, Refs 8th c.BC+

H. G. Liddell, R. Scott, H. S. Jones, A Greek-English Lexicon (9th ed., 1925–1940) — digitised by the Perseus Digital Library and corrected and expanded by Tyndale House, Cambridge, via STEPBible-Data's TFLSJ table, CC BY 4.0. Covers all of Greek literature, not just the Bible.