English
proconvulsive
From pro- + convulsive.
Formed from pro- + convulsive
Proto-Indo-European *pér ‘through’
Proto-Indo-European *pró ‘forwards, before’
Proto-Italic *prō ‘in front of, before’
Latin prō ‘in favor of, on behalf of’
English pro-
Proto-Indo-European *welh₃- ‘to hit, to strike’
…
Latin convellō ‘to shatter, batter, convulse’
Latin convulsiō ‘convulsion’
French convulsion
French convulsif
English convulsive
Today it means
adj That produces convulsions
Language periods are conventional ranges, not dates for this word.
Etymograph / proconvulsive