Where does “ยิ้มอ่อน” come from?

ยิ้มอ่อน (Thai) comes from Thai อ่อน, from Proto-Southwestern Tai *ʔɔːnᴮ¹, from Proto-Tai ʔwuːnᴮ — young; soft; young, soft.

ยิ้มอ่อน (Thai): thin smile: smile without sincere effort, or weak...

Definitions

  1. thin smile: smile without sincere effort, or weak...

Ancestry of “ยิ้มอ่อน”, step by step

ยิ้มอ่อน traces back through two separate lines of ancestry.

via Thai อ่อน

StepLanguageWordMeaning
1Thaiอ่อนyoung; soft
2Proto-Southwestern Tai*ʔɔːnᴮ¹
3Proto-Taiʔwuːnᴮyoung; soft; young, soft

via Thai ยิ้ม

StepLanguageWordMeaning
1Thaiยิ้มsmile; to smile; to fuck: to have sex
Every word from Proto-Tai ʔwuːnᴮEvery word from Proto-Southwestern Tai *ʔɔːnᴮ¹Every word from Thai อ่อน