Where does “ឯកង៉ាវ” come from?

ឯកង៉ាវ (Khmer) comes from Khmer ឯក, from Pali eka, from Sanskrit एक, from Proto-Indo-Aryan Háykas, from Proto-Indo-Iranian Háykas, from Proto-Indo-European óynos — one; single.

Ancestry of “ឯកង៉ាវ”, step by step

ឯកង៉ាវ traces back through two separate lines of ancestry.

via Khmer ឯក

StepLanguageWordMeaning
1Khmerឯកone; one person
2Paliekaone
3Sanskritएकone; alone, solitary, single, happening only...
4Proto-Indo-AryanHáykasone
5Proto-Indo-IranianHáykasone
6Proto-Indo-Europeanóynosone; single

via Khmer ង៉ាវ

StepLanguageWordMeaning
1Khmerង៉ាវlong-handled sword; sabre
Every word from Proto-Indo-European óynosEvery word from Proto-Indo-Iranian HáykasEvery word from Proto-Indo-Aryan Háykas