Where does “ขอแสดงความนับถือ” come from?

ขอแสดงความนับถือ (Thai) comes from Thai แสดง, from Old Khmer stēṅa.

ขอแสดงความนับถือ (Thai): used at the end of a letter: yours sincerely; yours faithfully; etc

Definitions

  1. used at the end of a letter: yours sincerely; yours faithfully; etc

Ancestry of “ขอแสดงความนับถือ”, step by step

ขอแสดงความนับถือ traces back through two separate lines of ancestry.

via Thai แสดง

StepLanguageWordMeaning
1Thaiแสดงto act; to perform; to display; to express; to...
2Old Khmerstēṅa—

via Thai ขอ

StepLanguageWordMeaning
1Thaiขอhook curved or angular piece of metal or other hard substance for catching, pulling, holding, or suspending something
2Proto-Taixɔːᴬhook
Every word from Old Khmer stēṅa →Every word from Thai แสดง →