μετρ-ητικός · metr-ētikos — LSJ
skilled in measuring, Pl. Just. 373d; of numbers, capable of measuring, i.e. dividing, c. gen., Iamb. in Nic. p.36 P.
concerned with measurement: -κή (sc. τέχνη), ἡ, mensuration, μ. μήκους καὶ ἐπιπέδου καὶ βάθους Pl. Lg. 817e, cf. Prt. 357d, al. Adv. -κῶς Poll. 4.166.