Able to be claimed; capable of being asserted as one's own or requested as a right.
From 'claim' (from Old French 'clamer,' to call out) + '-able' (capable of). Modern English formation using productive suffix.
The suffix '-able' is one of English's superpowers—add it to almost any verb and you get an adjective meaning 'can be done'—'claimable' insurance, 'drinkable' water, 'readable' books.
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