βυσσοδομεύω · byssodomeuō — LSJ
build in the deep, brood over, in the depth of oneʼs soul, ponder deeply, secret designs
build in the deep: hence, brood over a thing in the depth of oneʼs soul, ponder deeply; Hom. only in Od., always in bad sense, κακὰ φρεσὶ βυσσοδόμευον 17.66, al.; μύθους β. 4.676; δόλον φρεσὶ β. Hes. Sc. 30: also in late Prose, ὀργὴν β. Luc. Cal. 24; τὰ βυσσοδομευόμενα secret designs, Hld. 7.11:—also βυρσοδομέω, Eust. 1513.46, Suid.