What is the meaning of -í?

-ine (of or pertaining to)

forms diminutives

forms names of plants and animals

forms names of tools

forming attributive adjectives from nouns, especially animals

forming nouns referring to collections

forms adjectives

slender form of -aí (“plural suffix”)

slender form of -aí (“agent suffix”)

verb-forming suffix

Converb suffix

Plural suffix (with i-declension nouns)

Oblique case suffix (with i-declension nouns)

the one that, the one who

forms certain demonyms, especially from Arabic and Indo-Iranian countries and regions

first person preterite ending of regular -er and -ir verbs

Source: wiktionary.org

See also