Where does “spätnachts” come from?

spätnachts (German) comes from German spät, from Middle High German spǣte, from Old High German spāti, from Proto-West Germanic *spādī, from Proto-Germanic spēdiz, from Proto-Indo-European speh₁-tí-s, from Proto-Indo-European speh₁- — to succeed, to prosper.

spätnachts (German): late at night

Definitions

  1. late at night

Ancestry of “spätnachts”, step by step

spätnachts traces back through two separate lines of ancestry.

via German spät

StepLanguageWordMeaning
1Germanspätlate
2Middle High Germanspǣte—
3Old High Germanspāti—
4Proto-West Germanic*spādīlate
5Proto-Germanicspēdizlate
6Proto-Indo-Europeanspeh₁-tí-s—
7Proto-Indo-Europeanspeh₁-to succeed, to prosper

via German nachts

StepLanguageWordMeaning
1Germannachtsat night, nights
2Middle High Germannahtes—
3Old High Germannahtes—
Every word from Proto-Indo-European speh₁- →Every word from Proto-Indo-European speh₁-tí-s →Every word from Proto-Germanic spēdiz →