What is the meaning of -else?

Added to a verb to form a noun for an action or process.

The result of, or something related to, such an action or process

Creating, from a verb, a noun which is created by the action of this verb (not necessarily one with which the verb is supposed to be done).

Creating a noun from a verb, denoting something on which the verb is performed.

Creating a noun from a verb, denoting an object which is used to perform the verb.

Used to form verbal nouns denoting an action.

Used to form verbal nouns synonymous with the -ing ending.

Used to form verbal nouns denoting a different meaning than the -ing ending.

Used to form verbal nouns with a specific meaning, usually the result of an action

suffix creating nouns from verbs

suffix creating nouns from verbs

Source: wiktionary.org