διατείνεσθαι
From LSJ
τίς τὸν πλανήτην Οἰδίπουν καθ' ἡμέραν τὴν νῦν σπανιστοῖς δέξεται δωρήμασιν → who on this day shall receive Oedipus the wanderer with scanty gifts
Greek > English (Woodhouse Verbs Reversed)
(see also διατείνω): assert, exert oneself, make an effort, strain oneself make an effort