Where does “apoplēcticus” come from?

apoplēcticus (Latin) comes from Ancient Greek ἀποπληκτικός, from Ancient Greek ἀπόπληκτος, from Ancient Greek ἀποπλήσσω, from Ancient Greek ἀπο-, from Ancient Greek ἀπό, from Ancient Greek Ἥλιος, from Ancient Greek τύπος, from Ancient Greek τύπτω — to push, to hit.

Ancestry of “apoplēcticus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἀποπληκτικός	stupefied, confused; apoplectic
2	Ancient Greek	ἀπόπληκτος	Stricken by a stroke; dumb, astounded, senseless;...
3	Ancient Greek	ἀποπλήσσω	I strike to earth; I cripple with a stroke,...
4	Ancient Greek	ἀπο-	Indicating movement: away, from, off; Indicating...
5	Ancient Greek	ἀπό	from, away from; because of, as a result of
6	Ancient Greek	Ἥλιος	sun
7	Ancient Greek	τύπος	A blow, pressing; The results of a blow: mark,...
8	Ancient Greek	τύπτω	to beat, strike, smite; to beat, strike oneself
9	Proto-Indo-European	(s)tewp-	to push, to stick
10	Proto-Indo-European	(s)tew-	to push, to hit

Every word from Proto-Indo-European (s)tew- →