Where does “hebeto” come from?

hebeto (Latin) comes from Latin hebes, from Latin hebere — to be dull.

Ancestry of “hebeto”, step by step

Step	Language	Word	Meaning
1	Latin	hebes	blunt, dull, not sharp or pointed; dim, faint,...
2	Latin	hebere	to be dull

hebeto — Etymology, Origin & Word History | Etymology Explorer