ὑποτειχίζειν
From LSJ
οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → keeping silence is not shameful; speaking at random is (Menander)
Greek > English (Woodhouse Verbs Reversed)
(see also ὑποτειχίζω): build an intercepting wall, build an intersecting wall