λεπτουργία
From LSJ
Ὑπὸ γὰρ λόγων ὁ νοῦς μετεωρίζεται ἐπαίρεταί τ' ἄνθρωπος → Borne up by words, the mind soars aloft, and we reach the heights (Aristophanes, Birds 1447f.)
English (LSJ)
ἡ,
A fine workmanship, Bito 54.3, J.AJ3.6.4; esp. in wood, cabinet-making, PMasp.159.13 (vi A.D.): metaph., working out in detail, Them.Or.34p.448Dind.; ὀνομάτων Gal.18(1).460; subtlety, Procl.in Prm.p.518 S.