Where does “เส้นตรง” come from?

เส้นตรง (Thai) comes from Thai ตรง, from Old Khmer ត្រង — to be straight, direct, or upright.

เส้นตรง (Thai): line; straight line

Definitions

  1. line; straight line

Ancestry of “เส้นตรง”, step by step

เส้นตรง traces back through two separate lines of ancestry.

via Thai ตรง

StepLanguageWordMeaning
1Thaiตรงstraight; not bent; honest; at
2Old Khmerត្រងto be straight, direct, or upright

via Thai เส้น

StepLanguageWordMeaning
1Thaiเส้นline; anything that is long and thin: hair, rope,...
2Proto-Tai*selꟲ

Words derived from “เส้นตรง

Every word from Old Khmer ត្រងEvery word from Thai ตรง
เส้นตรง — Etymology, Origin & Word History | Etymology Explorer