What is the meaning of ?

Romanization of -𐌸

Alternative form of -th

Alternative form of -the (abstract nominal suffix)

forming abstract nouns from verbs, adjectives or other nouns; generally causing mutation of root or preceding vowels

forming abstract nouns from verbs, adjectives or other nouns; generally causing mutation of root or preceding vowels

forming abstract nouns from verbs, adjectives or other nouns; generally causing mutation of root or preceding vowels

Source: wiktionary.org