What is the meaning of -ci?

the infinitive ending

Used with the demonstrative ce and all its forms in order to specify the meaning “this, these”.

Used mostly in given names, but also in other words.

enclitic form of ci; appended to present active infinitive verb forms to derive reflexive, accusative and dative forms when the object is first plural person

inflection of -cus:

  1. nominative/vocative masculine plural
  2. genitive masculine/neuter singular

nominative/vocative masculine plural

genitive masculine/neuter singular

genitive singular of -cum

Used to form an agent noun

Suffix denoting a resident or inhabitant of (the place denoted by the proper noun); used to form a demonym

Used to form plant names from the name of the fruit

Used to form ordinal numerals

Alternative form of

-ed (past tense participle)

Alternative form of

Suffix appended to words to create a noun, denoting a profession, occupation or inclination.

Source: wiktionary.org