Where does “இடைவெளி” come from?

இடைவெளி (Tamil) comes from Tamil வெளி, from Tamil வெள், from Proto-Dravidian *weḷ — white.

இடைவெளி (Tamil): lacuna, hole, cleft

Definitions

  1. lacuna, hole, cleft

Ancestry of “இடைவெளி”, step by step

இடைவெளி traces back through two separate lines of ancestry.

via Tamil வெளி

StepLanguageWordMeaning
1Tamilவெளிoutside, exterior
2Tamilவெள்white colour
3Proto-Dravidian*weḷwhite

via Tamil இடை

StepLanguageWordMeaning
1Tamilஇடைmiddle, mid, centre
2Sanskritइडा—
Every word from Proto-Dravidian *weḷ →Every word from Tamil வெள் →Every word from Tamil வெளி →