Where does “Iarmhí” come from?

Iarmhí (Irish) comes from Irish Mí, from Middle Irish mide, from Old Irish Mide, from Proto-Celtic medyos, from Proto-Indo-European médʰyos, from Proto-Indo-European medʰi-, from Proto-Indo-European me — in the middle of, near, by, around, with.

Ancestry of “Iarmhí”, step by step

StepLanguageWordMeaning
1IrishMímonth
2Middle Irishmide—
3Old IrishMideMeath
4Proto-Celticmedyosmiddle
5Proto-Indo-Europeanmédʰyosmiddle
6Proto-Indo-Europeanmedʰi-with, among; with, along
7Proto-Indo-Europeanmein the middle of, near, by, around, with
Every word from Proto-Indo-European me →Every word from Proto-Indo-European medʰi- →Every word from Proto-Indo-European médʰyos →