What is the meaning of ـه?

Forms the past participle from the past stem.

Attached to nouns to form another noun with a related meaning, often with a more abstract or less physical sense.

Attached to present stems of verbs to form certain agent nouns.

Attached to present stems of verbs to form certain verbal nouns.

Attached to number + noun sequences to turn them into adjectives meaning "with; having" (or nouns zero-derived from the adjective).

Marks a definite noun; usually avoided in respectful contexts.

Arabic feminine suffix

colloquial form of است (ast, “is”, third-person singular indicative of بودن (budan, “to be”))

Source: wiktionary.org