Where does “ปฐมนิเทศ” come from?

ปฐมนิเทศ (Thai) comes from Thai ปฐม, from Pali paṭhama, from Sanskrit प्रथम, from Proto-Indo-Aryan pratʰamás, from Proto-Indo-Iranian pratamás, from Proto-Indo-European pro-tm̥mós, from Proto-Indo-European pro-, from Proto-Indo-European por- — passed , crossed.

ปฐมนิเทศ (Thai): orientation

Definitions

  1. orientation

Ancestry of “ปฐมนิเทศ”, step by step

ปฐมนิเทศ traces back through two separate lines of ancestry.

via Thai ปฐม

StepLanguageWordMeaning
1Thaiปฐมfirst; primary
2Palipaṭhamafirst; primary, first; foremost
3Sanskritप्रथमforemost, first; earliest, primary, original,...
4Proto-Indo-Aryanpratʰamás
5Proto-Indo-Iranianpratamásfirst
6Proto-Indo-Europeanpro-tm̥mós
7Proto-Indo-Europeanpro-toward, forward
8Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed

via Thai นิเทศ

StepLanguageWordMeaning
1Thaiนิเทศdemonstration; explanation
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-
ปฐมนิเทศ — Etymology, Origin & Word History | Etymology Explorer