Where does “ব্রহ্মদেশ” come from?

ব্রহ্মদেশ (Bengali) comes from Sanskrit ब्रह्मदेश, from Sanskrit देश, from Proto-Indo-Aryan dayśás, from Proto-Indo-Iranian dayćás, from Proto-Indo-European deyḱ- — to point out.

Ancestry of “ব্রহ্মদেশ”, step by step

StepLanguageWordMeaning
1Sanskritब्रह्मदेश—
2Sanskritदेशpoint, region, spot, place, part, portion;...
3Proto-Indo-Aryandayśáspoint, region, part; country, province
4Proto-Indo-Iraniandayćáspart, point; country
5Proto-Indo-Europeandeyḱ-to point out
Every word from Proto-Indo-European deyḱ- →Every word from Proto-Indo-Iranian dayćás →Every word from Proto-Indo-Aryan dayśás →