Where does “มาก่อน” come from?

มาก่อน (Thai) comes from Thai มา, from Pali mā, from Sanskrit मा, from Proto-Iranian máH, from Proto-Indo-Iranian maH, from Proto-Indo-European meh₁ — prohibitive particle.

มาก่อน (Thai): before, in the past

Definitions

before, in the past

Ancestry of “มาก่อน”, step by step

มาก่อน traces back through two separate lines of ancestry.

via Thai มา

Step	Language	Word	Meaning
1	Thai	มา	to move or come (towards the speaker's direction); to arrive
2	Pali	mā	do not; mother; moon
3	Sanskrit	मा	don't; accusative singular of अहम्; to sound,...
4	Proto-Iranian	máH	—
5	Proto-Indo-Iranian	maH	do not; prohibitive particle
6	Proto-Indo-European	meh₁	prohibitive particle

via Thai ก่อน

Step	Language	Word	Meaning
1	Thai	ก่อน	before; early; first
2	Proto-Tai	koːnᴮ	before

Every word from Proto-Indo-European meh₁ →Every word from Proto-Indo-Iranian maH →Every word from Proto-Iranian máH →