Where does “बाङ्गलादेश” come from?

बाङ्गलादेश (Sanskrit) comes from Hindi बांग्लादेश, from Bengali বাংলাদেশ, from Bengali দেশ, from Sanskrit देश, from Proto-Indo-Aryan dayśás, from Proto-Indo-Iranian dayćás, from Proto-Indo-European deyḱ- — to point out.

Ancestry of “बाङ्गलादेश”, step by step

StepLanguageWordMeaning
1Hindiबांग्लादेश
2BengaliবাংলাদেশBengal, Bengali region; Bengali land
3Bengaliদেশcountry; state
4Sanskritदेशpoint, region, spot, place, part, portion;...
5Proto-Indo-Aryandayśáspoint, region, part; country, province
6Proto-Indo-Iraniandayćáspart, point; country
7Proto-Indo-Europeandeyḱ-to point out
Every word from Proto-Indo-European deyḱ-Every word from Proto-Indo-Iranian dayćásEvery word from Proto-Indo-Aryan dayśás