What is the meaning of დო?

do (musical note)

buttermilk

and

1. (between two nouns (or pronouns) or two adjectives) and, with

   (between two nouns (or pronouns) or two adjectives) and, with

   (between two verbs, two clauses or two sentences) and, but, whether

   (at the end of the sentence)

   (after numeric adjective)

   and

   or

   Source: wiktionary.org