Where does “விரிகோணம்” come from?

விரிகோணம் (Tamil) comes from Tamil கோணம், from Tamil -அம், from Old Tamil -𑀅𑀫𑁆.

Ancestry of “விரிகோணம்”, step by step

விரிகோணம் traces back through two separate lines of ancestry.

via Tamil கோணம்

StepLanguageWordMeaning
1Tamilகோணம்angle, prospective
2Tamil-அம்nominalizing suffix typically forms neuter nouns
3Old Tamil-𑀅𑀫𑁆—

via Tamil விரி

StepLanguageWordMeaning
1Tamilவிரிto spread out
2Proto-Dravidian*wiri-to split
Every word from Old Tamil -𑀅𑀫𑁆 →Every word from Tamil -அம் →Every word from Tamil கோணம் →