Where does “Kaiserslautern” come from?

Kaiserslautern (German) comes from German kaiser, from Middle High German keiser, from Old High German keisar, from Indonesian kaisar, from Dutch keizer, from Middle Dutch keiser, from Old Dutch keiser, from Proto-Germanic kaisaraz — hair.

Ancestry of “Kaiserslautern”, step by step

Kaiserslautern traces back through two separate lines of ancestry.

via German kaiser

StepLanguageWordMeaning
1Germankaiseremperor ruler of certain monarchies; highest monarch
2Middle High Germankeiseremperor
3Old High Germankeisaremperor
4Indonesiankaisaremperor; empress
5Dutchkeizeremperor
6Middle Dutchkeiser—
7Old Dutchkeiseremperor
8Proto-Germanickaisarazemperor
9LatinCaesarJulius Caesar; emperor
10Latincaesariesor hair
11Proto-Indo-Europeankéysero-hair

via German lauter

StepLanguageWordMeaning
1Germanlautersincere; honorable; of integrity; correct;...
2Middle High Germanlūter—
3Old High Germanhlūttar—
4Proto-Germanichlūtrazclean, clear, pure
5Proto-Indo-EuropeanḱlewH-to clean, rinse, slide

Words derived from “Kaiserslautern”

Every word from Proto-Indo-European kéysero- →