Where does “นอกใจ” come from?

นอกใจ (Thai) comes from Thai ใจ, from Proto-Tai cɤɰᴬ — heart; breath.

นอกใจ (Thai): to be unfaithful; to cheat; to betray

Definitions

  1. to be unfaithful; to cheat; to betray

Ancestry of “นอกใจ”, step by step

นอกใจ traces back through two separate lines of ancestry.

via Thai ใจ

StepLanguageWordMeaning
1Thaiใจheart; mind; spirit; breath
2Proto-Taicɤɰᴬheart; breath

via Thai นอก

StepLanguageWordMeaning
1Thaiนอกoutside; out; external; outside
2Proto-Tail̩.noːkᴰoutside
Every word from Proto-Tai cɤɰᴬ →Every word from Thai ใจ →
นอกใจ — Etymology, Origin & Word History | Etymology Explorer