Where does “Einkaufsspanne” come from?

Einkaufsspanne (German) comes from German spänne, from Middle High German spanne, from Old High German spanna, from Proto-Germanic spannō, from Proto-Indo-European (s)pend- — to stretch.

Einkaufsspanne (German): purchase margin; procurement margin the difference between a base price and the actual negotiated purchase price, or the margin calculated from the perspective of the purchasing department

Definitions

  1. purchase margin; procurement margin the difference between a base price and the actual negotiated purchase price, or the margin calculated from the perspective of the purchasing department

Ancestry of “Einkaufsspanne”, step by step

Einkaufsspanne traces back through two separate lines of ancestry.

via German spänne

StepLanguageWordMeaning
1Germanspännefirst/third-person singular subjunctive II of...
2Middle High Germanspanne—
3Old High Germanspanna—
4Proto-Germanicspannōspan, handbreadth
5Proto-Indo-European(s)pend-to stretch

via German einkauf

StepLanguageWordMeaning
1Germaneinkaufpurchase (the act or process of seeking and obtaining something)
2Middle High Germaneinkauf—
Every word from Proto-Indo-European (s)pend- →Every word from Proto-Germanic spannō →Every word from Old High German spanna →