Where does “Ocasek” come from?

Ocasek (English) comes from Czech ocásek, from Czech -ek, from Old Czech -ek.

Ancestry of “Ocasek”, step by step

StepLanguageWordMeaning
1Czechocásekogonek (diacritical mark)
2Czech-ekforms masculine diminutive nouns
3Old Czech-ek—
Every word from Old Czech -ek →Every word from Czech -ek →Every word from Czech ocásek →
Ocasek — Etymology, Origin & Word History | Etymology Explorer