Thread:User talk:CodeCat/Reconstruction:Proto-Indo-European/-yéh₁-/reply (3)

The optative is part of the inflection of verbs, yes, at least by late PIE. There are some indications that it was originally a derivational suffix too, though, but it was integrated into verb paradigms as the optative mood in all languages, so the PIE sitation is not reconstructable in all details.

The -éh₁yeti suffix is basically synonymous with -éh₁ti, it formed stative verbs from roots or (perhaps later?) adjective stems.