Where does “sunntac” come from?

sunntac (Middle High German) comes from Old High German sunnūntag, from Proto-Germanic *Sunnōn dag, from Latin dies Solis, from Latin sōl, from Proto-Indo-European sóh₂wl̥ — sun.

Ancestry of “sunntac”, step by step

StepLanguageWordMeaning
1Old High GermansunnūntagSunday
2Proto-Germanic*Sunnōn dag
3Latindies Solissun's day
4Latinsōl
5Proto-Indo-Europeansóh₂wl̥sun

Words derived from “sunntac

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