Where does “วางสาย” come from?

วางสาย (Thai) comes from Thai สาย, from Proto-Tai saːjᴬ — cord; string.

วางสาย (Thai): to hang up; to terminate a telephone call

Definitions

  1. to hang up; to terminate a telephone call

Ancestry of “วางสาย”, step by step

วางสาย traces back through two separate lines of ancestry.

via Thai สาย

StepLanguageWordMeaning
1Thaiสายlate; delayed; late morning; line; wire; rope;...
2Proto-Taisaːjᴬcord; string

via Thai วาง

StepLanguageWordMeaning
1Thaiวางto lay; to put; to place; to set; to file; to...
Every word from Proto-Tai saːjᴬEvery word from Thai สาย