Where does “einspurig” come from?

einspurig (German) comes from German ein, from Middle High German ein, from Old High German ein, from Proto-West Germanic ain, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

einspurig (German): single-lane, single-track

Definitions

  1. single-lane, single-track

Ancestry of “einspurig”, step by step

einspurig traces back through two separate lines of ancestry.

via German ein

StepLanguageWordMeaning
1Germaneinone; a, an; indicating motion into something
2Middle High Germaneinone
3Old High Germaneinone; only
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single

via German spur

StepLanguageWordMeaning
1Germanspurtrace rest of something that indicates its former presence; any small amount
2Middle High Germanspur
3Old High Germanspor
4Proto-Germanicspurątrack
5Proto-Indo-EuropeansperH-to kick
Every word from Proto-Indo-European óynosEvery word from Proto-Germanic ainazEvery word from Proto-West Germanic ain