πονεῖν
From LSJ
Ἐλεεινότατόν μοι φαίνετ' ἀτυχία φίλου → Miseria amici mihi suprema est miseria → Am meisten Mitleid, scheint's, heischt eines Freundes Leid
Greek > English (Woodhouse Verbs Reversed)
(see also πονέω): labor, labour, be afflicted, be disabled, be distressed, be hard pressed, be hardpressed, be in distress, be sorely pressed, be straitened, be troubled, labor at, labour at, suffer discomfort, suffer from, toil at, work at