affranchise
verb
[ əˈfran(t)ʃʌɪz ]
• release from servitude.
• "I do affranchise Saccus my slave, and Euthychia and Irene my servants"
Origin:
late 15th century: from Old French afranchiss-, lengthened stem of afranchir, from a- (from Latin ad ‘to, at’) + franc ‘free’.