Where does “*j̈ima” come from?

*j̈ima (Proto-Nuristani) comes from Proto-Indo-Iranian ȷ́ʰimás, from Proto-Indo-European ǵʰéyōm, from Proto-Indo-European -ōm, from Proto-Indo-European -mi.

Ancestry of “*j̈ima”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianȷ́ʰimáscold, frost; winter
2Proto-Indo-Europeanǵʰéyōmwinter; year; frost, snow
3Proto-Indo-European-ōmemphatic suffix or postpositive particle
4Proto-Indo-European-mi

Words derived from “*j̈ima

Every word from Proto-Indo-European -miEvery word from Proto-Indo-European -ōmEvery word from Proto-Indo-European ǵʰéyōm