καθό
From LSJ
Kατεσκευάσθη τὸ ἱερὸν τοῦτο ποτήριον ... ἐν ἔτει ,αω'α' → Τhis holy cup was made ... in the year 1801
English (LSJ)
Adv. for καθ' ὅ (which shd. perh. be written),
A in so far as, according as, Lys.34.5, Arist.Metaph.1022a14, D.S.31.16, 2 Ep.Cor. 8.12, etc.; κ. μεγέθει καὶ κ. ποιότητι in respect of . ., Phld.Ir.p.91 W. II wherefore, Pl.Sph.267d, Plu.2.51b.
German (Pape)
[Seite 1288] d. i. καθ' ὅ, = καθά, bes. insoweit, insofern, Plat. Soph. 267 d, Arist. u. Sp.