Where does “Winkelschleifer” come from?

Winkelschleifer (German) comes from German Schleifer, from German -er, from Old High German -āri, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Winkelschleifer (German): angle grinder, disc grinder, side grinder

Definitions

  1. angle grinder, disc grinder, side grinder

Ancestry of “Winkelschleifer”, step by step

Winkelschleifer traces back through two separate lines of ancestry.

via German Schleifer

StepLanguageWordMeaning
1GermanSchleifercutter
2German-erForms agent nouns etc. from verbs, suffixed to...
3Old High German-āriused to form agent nouns
4Proto-West Germanic-ārī-er
5Proto-Germanic-ārijaz-er
6Latin-āriuser
7Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via German winkel

StepLanguageWordMeaning
1Germanwinkelangle, nook; corner seen from the inside
2Middle High Germanwinkel
3Old High Germanwinkilcorner
4Proto-Germanic*winkil
5Proto-Indo-Europeanwenǵ-neck, cheek
Every word from Proto-Italic *-āzios