adaptment
/əˈdap(t)m(ə)nt/Now somewhat rare
noun
1Something which has been adapted for a particular use or purpose; an adaptation.
2The action or process of adapting something for a particular use or purpose; adaptation.
Origin
Mid 18th century; earliest use found in Horace Walpole (1717–1797), author, politician, and patron of the arts. From adapt + -ment.