Sherpa language : ama (Per www.nepalresearch.com/dictionaries/sh_eng/sh_eng.pdf )
Tamang language : aama (per fyafulla.wordpress.com/2012/10/30/sub_caste-in-tamang/ )
Gurung(Tamu) language : ama  (per www.alanmacfarlane.com/TEXTS/Gurung_guide.pdf  )
Maithali language : mai (per www.mithilaonline.com/  )
Bhojpuri language:maai (per www.omniglot.com/ )
Awadhi language : maa (per www.languageshome.com/English-Awadhi.htm )
Tharu Language:
Limbu language :
Rai language :

Mathi ka kehi 

Sanskrit(not spoken in nepal anymore) : mata
Nepali : aama
Newari : maa, amaa
saptari : mainya, mya
thakuri : muma
magar : moi, mui 

Just like Riddle , I'd like to read you essay now. 

- Thaney