Where does “หน้าอก” come from?

หน้าอก (Thai) comes from Thai อก, from Proto-Vietic ʔaːk, from Proto-Mon-Khmer kʔaak — crow; to caw.

หน้าอก (Thai): chest; breast

Definitions

  1. chest; breast

Ancestry of “หน้าอก”, step by step

หน้าอก traces back through two separate lines of ancestry.

via Thai อก

StepLanguageWordMeaning
1Thaiอกchest; breast; heart; feelings
2Proto-Vieticʔaːkcrow
3Proto-Mon-Khmerkʔaakcrow; to caw

via Thai หน้า

StepLanguageWordMeaning
1Thaiหน้าface; surface; front; person; reputation; dignity
2Proto-Taiʰnaːᶜface
Every word from Proto-Mon-Khmer kʔaakEvery word from Proto-Vietic ʔaːkEvery word from Thai อก