Where does “Schwellenreißer” come from?

Schwellenreißer (German) comes from German Reißer, 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).

Schwellenreißer (German): railroad plough

Definitions

  1. railroad plough

Ancestry of “Schwellenreißer”, step by step

Schwellenreißer traces back through two separate lines of ancestry.

via German Reißer

StepLanguageWordMeaning
1GermanReißerthriller, blockbuster, pot boiler (successful book or film, often said of the ones produced only for profit)
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 Schwelle

StepLanguageWordMeaning
1GermanSchwellethreshold; railroad tie, railway sleeper
2Middle High Germanswelle
3Old High Germanswelli
4Proto-Germanicsulībalk, bar, threshold, sill
5Proto-Indo-Europeansēl-to calm, quiet, be favourable
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from German -er