ὑφαλώδης
From LSJ
μὴ κακὸν εὖ ἔρξῃς· σπείρειν ἴσον ἔστ' ἐνὶ πόντῳ → do no good to a bad man; it is like sowing in the sea
English (LSJ)
ὑφαλῶδες, somewhat shallow, D.S.24.1.
Russian (Dvoretsky)
ὑφᾰλώδης: мелководный, переходимый вброд (τόποι Diod.).
Greek (Liddell-Scott)
ὑφᾰλώδης: -ες, ἔχων ὑφάλους, ῥηχός, Διοδ. Ἀποσπ. 508, 49.