Where does “สะพานไฟ” come from?

สะพานไฟ (Thai) comes from Thai สะพาน, from Angkorian Old Khmer ស្វាន, from Sanskrit श्वान, from Sanskrit श्वन्, from Proto-Indo-Aryan śwā́, from Proto-Indo-Iranian ćwā́, from Proto-Indo-European ḱwṓ — dog.

สะพานไฟ (Thai): circuit breaker

Definitions

  1. circuit breaker

Ancestry of “สะพานไฟ”, step by step

สะพานไฟ traces back through two separate lines of ancestry.

via Thai สะพาน

StepLanguageWordMeaning
1Thaiสะพานbridge
2Angkorian Old Khmerស្វានfootbridge; bridge
3Sanskritश्वानdog
4Sanskritश्वन्a dog, hound, cur
5Proto-Indo-Aryanśwā́—
6Proto-Indo-Iranianćwā́dog
7Proto-Indo-Europeanḱwṓdog

via Thai ไฟ

StepLanguageWordMeaning
1Thaiไฟfire; flame; light; light source; electricity
2Proto-Taiwɤjᴬfire
Every word from Proto-Indo-European ḱwṓ →Every word from Proto-Indo-Iranian ćwā́ →Every word from Proto-Indo-Aryan śwā́ →