ok (Esperanto)
Where does "ok" come from?
The Esperanto word 'ok,' meaning eight, traces its roots back to the Latin 'octo.' This term is part of a widespread ancient family of words stemming from Proto-Indo-European, where it likely functioned as a dual phrase representing 'two times four' to define the base-eight counting system.
Full etymology tree
- ok (Esperanto), 'eight (8)'
- inherited octo (Latin), 'eight; 8'
- inherited *oktō (Proto-Italic), 'eight'
- inherited *oḱtṓw (Proto-Indo-European), 'eight'
- inherited *oktō (Proto-Italic), 'eight'
- inherited octo (Latin), 'eight; 8'
Ancestors
Descendants and derived words
- okangulo (Esperanto)
- oko (Esperanto)
Updated July 2026
Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris