Where does “anticonvulsion” come from?

anticonvulsion (English) comes from English convulsion, from Latin convulsiō, from Latin convulsus, from Latin convellere, from Latin convello, from Latin vello, from Proto-Italic welnō, from Proto-Indo-European welh₃- — to hit, to strike.

Ancestry of “anticonvulsion”, step by step

anticonvulsion traces back through two separate lines of ancestry.

via English convulsion

StepLanguageWordMeaning
1EnglishconvulsionAn intense, paroxysmal, involuntary muscular...
2Latinconvulsiōconvulsion
3Latinconvulsusshattered, battered, convulsed; overthrown
4Latinconvellerethird-person plural perfect active indicative of...
5LatinconvelloI shatter, batter, convulse; I overthrow
6LatinvelloI pluck out; I depilate; I pull or tear down; I...
7Proto-Italicwelnōto pull, tear
8Proto-Indo-Europeanwelh₃-to hit, to strike

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European welh₃-