դա

Etymology 1
From.

Noun

 * 1) the name of the Armenian letter

Usage notes
Eastern Armenians in Armenia prefer calling this letter simply, probably under the influence of Russian, which has no elaborate names for its letters.

Etymology 2
From.

Pronoun

 * 1) that
 * 2) it
 * 1) it
 * 1) it

Usage notes
and դա form a pronoun-determiner pair. See for more details.

Etymology
From.

Pronoun

 * 1)  that