Able to be disowned; capable of being rejected or cast off by someone who once claimed you.
From dis- + own (from Proto-Germanic aigan 'to possess') + -able (capable of). Own means 'to claim possession,' so disown means 'to refuse to claim,' and -able means it can happen.
Shakespearean families used disownment as the ultimate punishment—you weren't just removed, you became 'disownable,' as if the family could erase you from existence!
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