Where does “Längsreihe” come from?

Längsreihe (German) comes from German Reihe, from Middle High German rīhe, from Old High German riga, from Proto-Germanic rīgǭ, from Proto-Indo-European h₁reyk- — to scratch, cut.

Längsreihe (German): longitudinal row

Definitions

  1. longitudinal row

Ancestry of “Längsreihe”, step by step

Längsreihe traces back through two separate lines of ancestry.

via German Reihe

StepLanguageWordMeaning
1GermanReiherow; rank, succession, series, sequence, range;...
2Middle High Germanrīherow, line, corridor
3Old High Germanrigaline
4Proto-Germanicrīgǭrow, line
5Proto-Indo-Europeanh₁reyk-to scratch, cut

via German längs

StepLanguageWordMeaning
1Germanlängslengthwise; lengthways
Every word from Proto-Indo-European h₁reyk-