χωνεύω
From LSJ
εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
English (LSJ)
contr. fr. χοανεύω (q. v.). II coat jars with pitch, τοὺς χωνεύοντας κεραμεῖς PSI4.441.3, cf. 15 (iii B. C.); κεχωνευκώς PCair.Zen.741.26 (iii B. C.): but pf. part. Pass. κεχωνημένα ib.742.4 (iii B. C.) (χωνεύω and κωνάω became assimilated; cf. ἀχώνευτος and ἀχώνητος (Addenda)).
German (Pape)
[Seite 1386] zsgz. aus χοανεύω, Metall schmelzen, gießen, aus geschmolzenem Metall bilden; Pol. 34, 9,11; κεχωνευμένον ἀργύριον Plut. Lucull. 17, und A.
Greek (Liddell-Scott)
χωνεύω: συνῃρ. ἐκ τοῦ χοανεύω, ὃ ἴδε.