- Proto-Hindo-Ewropaki ra *usme- ("şıma")
- Proto-Aryaki ra *ušma- ("şıma")
- Ewıstki: yušma-, xšma- ("şıma")
- Pehlewki: 'šm'h ("şıma")
- Soğdki: 'šm'x ("şıma")
- Farski: šumā ("şıma")
- Osetki: sumax ("şıma")
- (Zazaki: šimā) Alfabeyê Ariki
- Sanskritki: yuśma- ("şıma")
- Yunanki: úmme ("şıma")
- Hititki: šumaš ("şıma")
- Horn, Paul. Dictionary of Persian Etymology (Strassburg, 1893),
- Lubotsky, Alexander. Indo-Aryan inherited lexicon . University of Leiden.
- Lubotsky, Alexander. The Indo-Iranian substratum. 1999. [1],
- Fortson, Benjamin. Indo-European Language and Culture: An Introduction (Blackwell Textbooks in Linguistics) [2],
- Julius Pokorny's Indo-European Etymological Dictionary
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