What is the meaning of -lah?

alternative form of -tlah

Enclitic for verbs and adverbs to indicate the jussive, imperative.

Enclitic for adverbs to indicate reassurance, emphasis and assertion.

Used to make a polite request or to allow an action.

Used on verbs and adverbs to indicate the jussive, imperative.

Used on adverbs to indicate reassurance, emphasis and assertion.

Used on pronouns to indicate that they are only, singularly, and in their entirety.

Used to indicate emphasised passive ergative verbs.

An opposite sex sibling (a woman’s brother, a man’s sister)

Source: wiktionary.org