Where does “semiparalysis” come from?

semiparalysis (English) comes from English paralysis, from Latin paralysis, from Ancient Greek παράλυσις, from Ancient Greek παραλύω, from Ancient Greek πᾰρᾰ-, from Ancient Greek παρά, from Latin verēdus, from Gaulish werēdos — horse.

Ancestry of “semiparalysis”, step by step

semiparalysis traces back through two separate lines of ancestry.

via English paralysis

StepLanguageWordMeaning
1EnglishparalysisThe complete loss of voluntary control of part of...
2Latinparalysisparalysis, palsy
3Ancient Greekπαράλυσιςparalysis
4Ancient Greekπαραλύωto weaken, to cause sickness or illness
5Ancient Greekπᾰρᾰ-near; next to; by, near
6Ancient Greekπαρά
7LatinverēdusA fast or light breed of horse; courier's horse; hunter
8Gaulishwerēdoshorse
9Proto-Celtic*uɸoreidoshorse

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-Celtic *uɸoreidosEvery word from Ancient Greek πᾰρᾰ-Every word from Gaulish werēdos