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- Maharajah
- through Hindi महाराजा ultimately from Sanskrit महा राजन् maha-rājān, which means "a great king".
- Maharani
- through Hindi महारानी finally from Sanskrit महा रानी mahārājnī, which means "consort of a maharajah".
- Maharishi
- from Sanskrit महर्षि maha-rishi, which means "a great sage".
- Mahatma
- from Sanskrit महात्मा mahatman, which means "a great breath, soul".
- Mahayana
- from Sanskrit महायान maha-yana, which means "a great vehicle".
- Mahout
- via Hindi माहुत (variant of महावत) ultimately from Sanskrit महमत्रह् mahāmātrah.;
- Mandala
- from Sanskrit मण्डल mandala, which means "a disc, circle".
- Mandarin
- via Portuguese mandarim, Dutch mandorijn, Malay mantri, and Hindi मंत्री mantri "a councillor" ultimately from Sanskrit मन्त्रिन् mantri, which means "an advisor".
- Mantra
- from Sanskrit मन्त्र mantra-s which means "a holy message or text".
- Maya
- from Sanskrit माया māyā, a religious term related with illusion.
- Mithras
- from Sanskrit मित्र Mitrah, which means "a friend".
- Moksha
- from Sanskrit मोक्ष moksha, liberation from the cycle of death and rebirth.
- Mugger
- via Hindi मगर and Urdu مگر magar ultimately from Sanskrit मकर makara ("sea creature"), like a crocodile, which attacks stealthily.
- Mung bean
- through Hindi मुग mū̃g and Pali/Prakrit मुग्ग mugga ultimately from Sanskrit मुग्दह् mudgah, a kind of bean.
- Musk
- via Middle English Muske, Middle French Musc, Late Latin Muscus and Late Greek μόσχος moskhos from Persian موشک mushk, ultimately from Sanskrit मुस्कस् muska-s meaning "a testicle", from a diminutive of मुस mus ("mouse").
- Mynah
- through Hindi मैना maina ultimately from Sanskrit मदन madana-s, which means "love".
Read more about this topic: List Of English Words Of Sanskrit Origin