ἀκριβής

Etymology
Disputed. Commonly held to be formed from and another element of uncertain provenance, e.g.  according to Schwyzer, though this is rejected by Beekes & van Beek. Tichy takes the component parts to be in a dative-locative form in -ī +.

Adjective

 * 1) accurate, precise
 * 2) scrupulous, methodical