διάθρωσις

From LSJ

Κύριε, σῶσον τὸν δοῦλον σου κτλ. → Lord, save your slave ... (mosaic inscription from 4th cent. church in the Negev)

Source

Spanish (DGE)

-εως, ἡ
parto, nacimiento τὰς διαθρώσεις τῶν θηλέων ἐμβρύων βραδυτέρας γίνεσθαι ἢ τῶν ἀρρένων Plu.Fr.105.