Where does “sunnandei” come from?

sunnandei (Old Frisian) comes from Proto-Germanic *Sunnōn dag, from Latin dies Solis, from Latin sōl, from Proto-Indo-European sóh₂wl̥ — sun.

Ancestry of “sunnandei”, step by step

StepLanguageWordMeaning
1Proto-Germanic*Sunnōn dag
2Latindies Solissun's day
3Latinsōl
4Proto-Indo-Europeansóh₂wl̥sun

Words derived from “sunnandei

Every word from Proto-Indo-European sóh₂wl̥Every word from Latin sōlEvery word from Latin dies Solis