Where does “ໄຂກະແຈ” come from?

ໄຂກະແຈ (Lao) comes from Lao ໄຂ, from Middle Chinese 開.

ໄຂກະແຈ (Lao): to unlock

Definitions

Step	Language	Word	Meaning
1	Lao	ໄຂ	fat; to open; to reveal; to disclose
2	Middle Chinese	開	—

ໄຂກະແຈ — Etymology, Origin & Word History | Etymology Explorer