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 Parth mean?
From Sanskrit Partha (पार्थ), 'son of Pritha (Kunti)', a well-known epithet of the hero Arjuna in the Mahabharata. It is a patronymic rather than a quality-word.