First of all... congratulations on your new job in Switzerland. It is a BEAUTIFUL country. I should know as I've lived there for over 30 years.
But... unfortunately... the answer to your question is "No. A language course does not qualify.". Only courses that are directly related to the PMI Talent Triangle meet the right criteria. Please review to CCR Handbook where PMI describes all the options and categories:
www.pm-prepcast.com/ccrhb