Definition of absit in English:

absit

Pronunciation /ˈabsɪt/

noun

University
  • A notice granting temporary absence (originally for a day or part of a day) to a university student or a pupil at a boarding school.

Origin

Early 19th century; earliest use found in Gradus ad Cantabrigiam. From classical Latin absit let (him or her) be absent, 3rd singular present subjunctive of abesse to be absent.