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

   with, containing; forms adjectives from nouns.

   of, from; of a nation or place. The demonym formed this way functions equally as an adjective and as a noun.

   -al

   makes surnames or nicknames from given names or toponyms

   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 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