ka·a

Likely from Assamese কৰ (kor) or Bengali করা (kôra).

ka·a

1. (Usually with a noun) to do

• kam ka·a
• kema ka·a
• golpo ka·a

Ka·a is mostly only used with other nouns denoting new verbs. For example, kam ka·a. To only denote the verb do by itself, daka is more relevant.