Where does “Französischlehrerin” come from?

Französischlehrerin (German) comes from German Französischlehrer, from German Französisch, from Middle High German franzoisisch, from Old French françois, from Old French -ois, from Latin -ensis, from Latin arvum, from Latin colō — to turn.

Ancestry of “Französischlehrerin”, step by step

StepLanguageWordMeaning
1GermanFranzösischlehrerFrench teacher
2GermanFranzösischFrench; fellatio, blow job
3Middle High Germanfranzoisisch
4Old FrenchfrançoisFrench; the French language
5Old French-oisused to form nationalities; used to form names of...
6Latin-ensisOf or from
7Latinarvumfield; farm land
8Latincolōto cultivate the land, till, tend, take care of a field or garden
9Latinquelō
10Proto-Italickʷelōto inhabit
11Proto-Indo-Europeankʷéleti
12Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European kʷel-