Question

How did Bangladesh make up there language Bengali

Answer 1

Bengali has been the primary spoken language in that region of the world.

Step-by-step explanation:

When West Bengal and East Bengal (Bangladesh) were split. Both regions continued to be the primary langue of the area. Thus, Bangladesh made it their official language.

Answer 2

it has been influenced by other language families prevalent in South Asia, notably the Dravidian, the Austroasiatic, and the Tibeto-Burman families, all of which contributed to Bengali vocabulary and provided the language with some structural forms.