mitra · noun1
Transliteration of Sanskrit मित्र (mitrá, “friend”).
Mitra · proper noun2
Transliteration of Sanskrit मित्र (mitra). Doublet of Mithra and Mithras.
Mitra · proper noun3
Transliteration of Bengali মিত্র (mitro).
Etymology from Wiktionary, CC BY-SA 4.0.