περιεργάζεσθαι
From LSJ
Μή, φίλα ψυχά, βίον ἀθάνατον σπεῦδε, τὰν δ' ἔμπρακτον ἄντλει μαχανάν → Oh! my soul do not aspire to eternal life, but exhaust the limits of the possible
Greek > English (Woodhouse Verbs Reversed)
(see also περιεργάζομαι): do more than is necessary, waste one's labor, waste one's labour