privatdozent
noun
pri·vat·do·zent pri-ˈvät-(ˌ)dō(t)-ˌsent 
variants or less commonly privatdocent
often capitalized
: an unsalaried university lecturer or teacher in a German-speaking country remunerated directly by students' fees
Word History
Etymology
German Privatdozent, from privat private + Dozent teacher, from Latin docent-, docens, present participle of docēre to teach — more at docile
First Known Use
1848, in the meaning defined above