mathesis
Mental calculation or discipline; science, especially mathematical learning.
archaic, countable, uncountable
Forget the Boys, forget your loyalties to your Dead, first of all to Rebekah, for she, they, are but distractions, temporal, flesh, ever attempting to drag the Uranian Devotee back down out of his realm of pure Mathesis, of that which abides.
The science of establishing a systematic order for things. (After Foucault.)
countable, uncountable
I’m using 'mathesis' — a universal science of measurement and order […]
Where it comes from
From Anglo-Norman mathesis, Middle French mathesie, and their source, Late Latin mathesis (“astrology, liberal arts, science”), from Ancient Greek μάθησις (máthēsis, “learning”), from the same base as μανθάνω (manthánō, “to learn”).
Adapted from the Wiktionary entry mathesis (CC BY-SA 4.0).