What does Aarnav mean?
From the Sanskrit अर्णव (arṇava), meaning 'ocean' or 'sea', literally 'the foaming/surging water'. A well-established classical Sanskrit word for a great body of water, commonly spelled Arnav or Aarnav.
What does Advait mean?
From the Sanskrit अद्वैत (advaita), 'non-duality', the central concept of Advaita Vedanta — the oneness of the self (atman) and the absolute (Brahman). A firmly established philosophical term.