τὸ ὅλον τόδε ποσαπλάσιον τοῦδε γίγνεται → how many times greater is this whole sum than that one
subs.
Ar. χορδή, ἡ, χόρδευμα, τό, φύσκη, ἡ, ἀλλᾶς, ο.