Where does “Installateurin” come from?

Installateurin (German) comes from German Installateur, from French installateur, from French installer, from German installieren, from Italian installare, from Medieval Latin installo, from Latin īn-, from Latin în — in.

Ancestry of “Installateurin”, step by step

StepLanguageWordMeaning
1GermanInstallateurplumber male or of unspecified gender
2Frenchinstallateurinstaller a person who installs
3Frenchinstallerto install; to place; to settle
4Germaninstallierento install
5Italianinstallareto install, to put in, to set up; to install, to...
6Medieval Latininstalloto install, put in place, establish; install, put...
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en