Definition of absentment in English:

absentment

noun

rare
  • The action of absenting oneself; removal, withdrawal; absence.

Origin

Early 17th century; earliest use found in George Abbot (1562–1633), archbishop of Canterbury. From absent + -ment. Compare Middle French, French (rare) absentement action of absenting oneself, absence.

Pronunciation:

absentment

/abˈsɛntm(ə)nt//əbˈsɛntm(ə)nt/