Where does “dementans” come from?

dementans (Latin) comes from Latin demento, from Latin dēmēns, from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.

Definitions

Ancestry of “dementans”, step by step

StepLanguageWordMeaning
1LatindementoI make mad or crazy, drive crazy; I bewitch; I...
2Latindēmēnsout of one’s mind or senses: mad, raving, insane, crazy; more generally: foolish, reckless, distracted, infatuated
3Latindē-of; from
4Latinof; concerning; about
5Latinpostbehind; after, since, besides, except; behind,...
6Latinposteablative singular of postis
7Proto-Italicpostibehind, after
8Proto-Indo-Europeanpóstiafter
9Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pós