I was researching the etymology for the French licencier, and Wiktionary refers to Latin licentiare. I can't see it exhibited in Oxford Latin Dictionary (2012 2 ed)
but Latdict does.
Please see the title.
What notions underlie authorization with employment termination? Perhaps this is auto-antonymy, but I can't brainstorm how authorization/permission with its positive connotation would be semantically related to employment dismissal that undoubtedly disheartens the employee!