ὑποτειχίζειν
From LSJ
Ἡ δὲ Σελήνη γενομένη μὲν ἐκ τῆς ἀντανακλάσεως τοῦ ἡλιακοῦ φωτὸς → the moon having been made from the reflection of sunlight (Vettius Valens, Anthologies 1.14)
Greek > English (Woodhouse Verbs Reversed)
(see also ὑποτειχίζω): build an intercepting wall, build an intersecting wall