Where does “plabulum” come from?

plabulum (Latin) comes from Latin pabulum, from Latin pasco, from Proto-Italic pāskō, from Proto-Indo-European peh₂- — to protect; to shepherd.

Ancestry of “plabulum”, step by step

Step	Language	Word	Meaning
1	Latin	pabulum	food, nourishment, sustenance; fodder, pasture;...
2	Latin	pasco	I feed, nourish, maintain, support; I pasture,...
3	Proto-Italic	pāskō	to feed; to pasture
4	Proto-Indo-European	peh₂-	to protect; to shepherd

plabulum — Etymology, Origin & Word History | Etymology Explorer