Where does “cakkhāyatana” come from?

cakkhāyatana (Pali) comes from Pali cakkhu, from Sanskrit चक्षु, from Proto-Indo-Iranian čákšuš, from Proto-Indo-European kʷékʷḱus, from Proto-Indo-European kʷeḱ- — to see; to look.

cakkhāyatana (Pali): organ of sight

Definitions

  1. organ of sight

Ancestry of “cakkhāyatana”, step by step

cakkhāyatana traces back through two separate lines of ancestry.

via Pali cakkhu

StepLanguageWordMeaning
1Palicakkhueye
2Sanskritचक्षुeye; name of a prince; the Oxus river
3Proto-Indo-Iraniančákšušthe eye
4Proto-Indo-Europeankʷékʷḱus
5Proto-Indo-Europeankʷeḱ-to see; to look

via Pali āyatana

StepLanguageWordMeaning
1Paliāyatanasphere
Every word from Proto-Indo-European kʷeḱ-Every word from Proto-Indo-European kʷékʷḱusEvery word from Proto-Indo-Iranian čákšuš