Question: what is tvam in sanskrit?
Answer: Tat Tvam Asi (Sanskrit: तत्त्वम्असि or तत्त्वमसि), a Sanskrit sentence, translated variously as "That thou art," "Thou art that," "You are that," or "That you are," is one of the Mahāvākyas(Grand Pronouncements) in Vedantic Sanatana Dharma. It originally occurs in the Chandogya Upanishad 6.8.7[1], in the dialogue.