Where does “ឯកភាព” come from?

ឯកភាព (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.

ឯកភាព (Khmer): unit (usually military)

Definitions

unit (usually military)

Ancestry of “ឯកភាព”, step by step

ឯកភាព traces back through two separate lines of ancestry.

via Khmer ឯក

Step	Language	Word	Meaning
1	Khmer	ឯក	one; one person
2	Pali	eka	one
3	Sanskrit	एक	one; alone, solitary, single, happening only...
4	Proto-Indo-Aryan	Háykas	one
5	Proto-Indo-Iranian	Háykas	one
6	Proto-Indo-European	óynos	one; single

via Khmer ភាព

Step	Language	Word	Meaning
1	Khmer	ភាព	state (of affairs), condition, status, state of being, shape, nature, aspect
2	Sanskrit	भाव	becoming, being, existing, occurring, appearance;...
3	Sanskrit	भू	the act of becoming or arising; the place of...
4	Proto-Indo-European	bʰuH-	to become, grow, appear

Every word from Proto-Indo-European óynos →Every word from Proto-Indo-Iranian Háykas →Every word from Proto-Indo-Aryan Háykas →