米哈 (also written 米罕) is a transliteration of Mongolian 'miqa(n)' = meat, recorded in Yuan-dynasty texts. The word survives mostly in historical and ethnographic writing about the Yuan or steppe peoples.
usage
In modern subtitles and translated fiction 米哈 is also the standard Chinese rendering of the Russian short name 'Misha' (Михаил/Mikhail).