tantundem

Etymology
From : the adjective forms are semi-regularly derived, with the of the  element assimilated to  by the following initial  of the  element; the noun is a substantivisation of the adjective’s neuter forms, with the prosentential phrase and adverb both deriving from it.

Noun

 * 1) just so much, just as much, the same amount  quantity

Adverb

 * 1) to as great a degree  extent, just as much