ἀκριβέστερον

From LSJ

αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.

Source

English (Strong)

neuter of the comparative of the same as ἀκριβέστατος; (adverbially) more exactly: more perfect(-ly).

French (New Testament)

adv.
plus exactement, plus parfaitement
ἀκριβής