Where does “Jac y Rhew” come from?

Jac y Rhew (Welsh) comes from Welsh y, from Middle Welsh y, from Old Welsh ir, from Proto-Celtic sindos, from Proto-Indo-European sḗm, from Proto-Indo-European sem- — together, one.

Jac y Rhew (Welsh): Jack Frost

Definitions

  1. Jack Frost

Ancestry of “Jac y Rhew”, step by step

Jac y Rhew traces back through two separate lines of ancestry.

via Welsh y

StepLanguageWordMeaning
1Welshythe; that; which, whom
2Middle Welshyhis, its with reference to a masculine noun; triggers soft mutation of following consonant
3Old Welshirthe
4Proto-Celticsindosthis
5Proto-Indo-Europeansḗmone
6Proto-Indo-Europeansem-together, one

via Welsh rhew

StepLanguageWordMeaning
1Welshrhewfrost; ice
2Proto-Celticɸreswosfrost
3Proto-Indo-Europeanprews-to freeze; frost
Every word from Proto-Indo-European sem- →