What does Mahi mean?
From Sanskrit mahi (मही), 'the earth, the world; great'. Note a homophone from a different root: Persian/Urdu mahi means 'fish'.
What does Aarohi mean?
From the Sanskrit आरोही (ārohī), 'ascending, rising', related to āroha, the ascending scale of notes in Indian classical music. A genuine classical musical term.