Where does “pasmus” come from?

pasmus (Latin) comes from Latin spasmus, from Ancient Greek σπασμός, from Ancient Greek σπάω, from Proto-Indo-European (s)peh₂- — to stretch, to pull; to draw; chip, shaving, log,...

Ancestry of “pasmus”, step by step

Step	Language	Word	Meaning
1	Latin	spasmus	spasm
2	Ancient Greek	σπασμός	spasm, convulsion
3	Ancient Greek	σπάω	to break; to draw, pull; to draw out, pull out
4	Proto-Indo-European	(s)peh₂-	to stretch, to pull; to draw; chip, shaving, log,...

Every word from Proto-Indo-European (s)peh₂- →Every word from Ancient Greek σπάω →Every word from Ancient Greek σπασμός →