Where does “-iss-” come from?

-iss- (French) comes from Latin -sc-, from Latin -esco, from Latin -eo, from Proto-Italic -ēō, from Proto-Italic -ējō, from Proto-Indo-European -éh₁yeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

-iss- (French): An infix found in most of the conjugation of...

Definitions

  1. An infix found in most of the conjugation of...

Ancestry of “-iss-”, step by step

StepLanguageWordMeaning
1Latin-sc-
2Latin-escoForms verbs from adjectives meaning "become "
3Latin-eoForms stative verbs from adjectives; dative...
4Proto-Italic-ēōForms stative verbs, indicating a state of being;...
5Proto-Italic-ējō
6Proto-Indo-European-éh₁yetiThematicization of the athematic stative verbal...
7Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European -yetiEvery word from Latin -eoEvery word from Latin -esco