Meaning of manumise in English:

manumise

Pronunciation /ˈmanjʊmʌɪz/

verb

(also manumize)
historical, rare
  • To free (a slave), release (a captive); = "manumit".

Origin

Early 16th century; earliest use found in John Fitzherbert (d. 1531). Back-formation from manumission, after e.g. commise, premise, remise.