What is the meaning of -abel?

-able, -ible, attaches to verbs ending in -eren or to nouns to form adjectives

-able, -ible

Used to form adjectives which are capable of performing or being the subject of a specified action; -able

Used to form adjectives which have a certain quality or a certain character; -able

Used to form adjectives which have the prospect of becoming or being made the first term expression

-able

Source: wiktionary.org