κάμβαλεν

From LSJ

τὸ ὅλον τόδε ποσαπλάσιον τοῦδε γίγνεται → how many times greater is this whole sum than that one

Source

Russian (Dvoretsky)

κάμβαλεν: (= κάββαλεν) эп. 3 л. sing. aor. 2 к καταβάλλω.