What is the meaning of -li?

forms diminutives of nouns

I (subject of an active transitive or active intransitive verb)

forms or indicates an active transitive verb

a suffix that makes nouns.

alternative spelling of -lli

Clitic form of le (“to him, to her, to them”)

alternative form of -ly (“adjectival suffix”)

alternative form of -ly (“adverbial suffix”)

we two

Marks the locative case:

1. in, at (location of an action)

   in, at (location of an action)

   to (direction of an action; optional for place names)

   An evidential suffix, marking that the subject has personally experienced the event/situation but that they were not personally responsible for instigating the event/situation, or did not have full control over the experience.

   to be in a place

   to be in a state

   forms or indicates an active transitive verb

   the subject of an active transitive verb

   the subject of an active intransitive verb

   if

   whether

   question-forming interrogative particle

   Forms diminutive nouns.

   Forms some terminative adverbs.

   suffix used to create a diminutive form

   [verb] more

   cause to [verb] more

   but

   Used to form simple past tenses of verbs.

   alternative form of li

   inflection of -lus:

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

   nominative/vocative masculine plural

   genitive masculine/neuter singular

   used after a verb form to introduce a polar question

   if

   to me

   -ling, -let

   interrogative particle: introduces a yes-no question

   emphatic particle

   virile nominative/vocative plural of -ły

   with, containing; forms adjectives from nouns. This usage is treated as a "case suffix" and is separated from proper nouns by an apostrophe.

   of, from; of a nation or place. This usage is treated as a "word-forming suffix" and is not separated from proper nouns by an apostrophe. The demonym formed this way functions equally as an adjective and as a noun. It is commonly encountered in surnames derived from the names of towns and cities.

   Added to sports organizations to form names for their fans.

   used to form descriptive adjectives from nouns

   Source: wiktionary.org