A pronominal suffix is a suffix which is added to a noun, preposition, or verb. This suffix then acts like a pronoun.
- a pronominal suffix on a noun is a possessive pronoun. video
- a pronominal suffix on a verb is that verb’s DO. video
- a pronominal suffix on a preposition is the object of that preposition. page | video
Note especially from this chart how you can tell if the pronominal suffix is on a singular or plural noun. The presence (or absence) of the yod is key. See both columns under the section “Suffix on Nouns“.