Where does “ইটানগৰ” come from?

ইটানগৰ (Assamese) comes from Assamese নগৰ, from Sanskrit नगर, from Sanskrit गर, from Sanskrit गुरु, from Proto-Indo-Aryan gr̥Húṣ, from Proto-Indo-Iranian gr̥Húš, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

Ancestry of “ইটানগৰ”, step by step

ইটানগৰ traces back through two separate lines of ancestry.

via Assamese নগৰ

StepLanguageWordMeaning
1Assameseনগৰcity
2Sanskritनगरtown, city; urban
3Sanskritगरmountain, top
4Sanskritगुरुheavy; weighty
5Proto-Indo-Aryangr̥Húṣ—
6Proto-Indo-Iraniangr̥Húšheavy
7Proto-Indo-Europeangʷréh₂usheavy
8Proto-Indo-European-usForms adjectives from Caland system roots

via Assamese ইটা

StepLanguageWordMeaning
1Assameseইটাbrick
2Sanskritइष्टकाbrick; bakestone
3Proto-Indo-IranianHišt-brick
Every word from Proto-Indo-European -us →Every word from Proto-Indo-European gʷréh₂us →Every word from Proto-Indo-Iranian gr̥Húš →