Where does “semidementia” come from?

semidementia (English) comes from English dementia, from Latin dēmentia, from Latin dēmēns, from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti — afterwards, post; by, at.

semidementia (English): Partial dementia

Definitions

  1. Partial dementia

Ancestry of “semidementia”, step by step

semidementia traces back through two separate lines of ancestry.

via English dementia

StepLanguageWordMeaning
1EnglishdementiaA progressive decline in cognitive function due...
2Latindēmentiamadness, insanity
3Latindēmēnsout of one’s mind or senses: mad, raving, insane, crazy; more generally: foolish, reckless, distracted, infatuated
4Latindē-of; from
5Latinof; concerning; about
6Latinpostbehind; after, since, besides, except; behind,...
7Latinposteablative singular of postis
8Proto-Italicpostibehind, after
9Proto-Indo-Europeanpóstiafter
10Proto-Indo-Europeanpósafterwards, post; by, at

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti