“Om Namo Bhagavate Vasudevayah”
Though the real name of Hinudism is the Sanatan dharma. Sanatan means universal and/or eternal. But the name “Hinduism” has become popular worldwide. Many a times some people from other religions try to dig their heads into the word “Hindu”.
Hindu in short is person who lives pious vedic life.
The word “Hindu” itself holds a very pious meaning. It is as follows:
The Sanskrit meaning of Hindu is ” HINAM DUNOTI ITI HINDU”…One who beats unhealthy thoughts and activities, is called by the name “HINDU”.
Second Answer, According to Paniniya Grammer , the word Hindu is made from two different words-
According to pratyahar Syastem
Hi means Himalaya and Indu means Moon.
Thus the meaning becomes
” Hindu is one whose thoughts are that like of Himalaya and who loves each living being just like that of Moonlight.
In short Hindu is the term used for people who believe in Vedic way of life, Follow Veda, Vedanta, Upnishads, Shrimad Bhagvat Gita and believe in the Law of yoga, karma, and Incarnation etc.