Where does “Türhüter” come from?

Türhüter (German) comes from German Hüter, from German -er, from Old High German -āri, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “Türhüter”, step by step

Türhüter traces back through two separate lines of ancestry.

via German Hüter

StepLanguageWordMeaning
1GermanHüterkeeper, guardian
2German-erForms agent nouns etc. from verbs, suffixed to...
3Old High German-āriused to form agent nouns
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via German tür

StepLanguageWordMeaning
1Germantürdoor rigid plane on a hinge
2Old High Germanturidoor
3Proto-West Germanic*durdoor, hatch, flap
4Proto-Germanic*durz
5Proto-Indo-Europeandʰwṓrdoor
6Proto-Indo-Europeandʰwer-door
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from German -er
Türhüter — Etymology, Origin & Word History | Etymology Explorer