What is the meaning of -ki?

Forms nouns with a given number of components.

meat (as food)

Forms nouns denoting objects used to perform an action.

Used to form adverbs from adjectives; -wise, -ly

Alternative form of -gi

An "associative suffix" with the following uses:

alternative form of -gi (“not”)

Preterite singular verb suffix

Rōmaji transcription of き

forms masculine adjectives

Used to form an adjectival or nominal meaning "that which belongs to."

Used to form an adjectival or nominal meaning "(the one) that is at/in."

Source: wiktionary.org

See also