Are Latin causative verb ending -eō and Old Slavic -ити from verbs eō and ити ("to go")?

  • 1
    I'm not familiar with "causative" -eō. Do you mean verbs like caleō, torpeō, stupeō?
    – Draconis
    Commented Aug 13, 2021 at 18:16
  • @Draconis You are right Commented Aug 13, 2021 at 18:38

1 Answer 1


First, I wouldn't call Latin -eō verbs like caleō "be hot" and torpeō "be numb" causative; they're stative, expressing a state of being. The causatives would be calefaciō "make hot" and torpefaciō "make numb".

Second, the Latin ones at least aren't related to "go". The suffix comes from PIE *-éh₁-yeti, while the verb comes from *h₁ey- "go". I believe the Slavic suffix *-ěti and verb *jьti come from the same places as the Latin ones.

  • 2
    The Latin second conjugation combines PIE *-éh₁yeti statives with *-éyeti causatives (/iteratives). Your examples are statives, but e.g. moneo, torreo, noceo, compleo are (fairly) transparently causative in origin. It's definitely too much to call -eō a causative verb ending, though, and presumably Wiktionary is to blame here, again.
    – Cairnarvon
    Commented Aug 13, 2021 at 19:38
  • @Cairnarvon True, but in the comments OP said they meant the caleō type. (I wouldn't necessarily call the second type of -eō verb causative in Latin, even if it is a causative formation in PIE (and PIt).)
    – Draconis
    Commented Aug 13, 2021 at 20:00

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