Where does “stiúir” come from?

stiúir (Middle Irish) comes from Old Norse stýri, from Middle Low German stǖr, from Proto-Germanic stiuriją, from Proto-Germanic stiurijaną, from Proto-Germanic -janą, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

Ancestry of “stiúir”, step by step

stiúir traces back through two separate lines of ancestry.

via Old Norse stýri

StepLanguageWordMeaning
1Old Norsestýrirudder, helm
2Middle Low Germanstǖr—
3Proto-Germanicstiuriją—
4Proto-Germanicstiurijanąto direct, steer
5Proto-Germanic-janąDerives denominatives from nouns and factitives...
6Proto-Indo-European-yétiCreates intransitive, often deponent,...
7Proto-Indo-Europeanyé-—
8Chichewaiyehe, she

via Old English stēoran

StepLanguageWordMeaning
1Old Englishstēoran—

Words derived from “stiúir”

Every word from Chichewa iye →Every word from Proto-Germanic -janą →Every word from Proto-Indo-European -yéti →