Where does “hyo” come from?

hyo (Middle English) comes from Old English hēo, from Germanic *hiju, from Proto-Germanic hijō, from Proto-Indo-European ḱe- — demonstrative particle; here; this, here.

Ancestry of “hyo”, step by step

hyo traces back through two separate lines of ancestry.

via Old English hēo

StepLanguageWordMeaning
1Old Englishhēoshe
2Germanic*hiju
3Proto-Germanichijōshe; nominative singular feminine of *hiz
4Proto-Indo-Europeanḱe-demonstrative particle; here; this, here

via Old English hīo

StepLanguageWordMeaning
1Old Englishhīoshe
Every word from Proto-Indo-European ḱe-Every word from Proto-Germanic hijōEvery word from Germanic *hiju