What does Aarush mean?
From Sanskrit arusha (आरुष), 'reddish, red of dawn', commonly glossed as 'the first ray of the sun'. The 'red/dawn' sense is the attested one; 'first ray of sun' is the popular reading.
What does Veer mean?
From Sanskrit vira (वीर), 'hero, brave, valiant man'. A direct quality-name meaning courage and heroism.