Where does “Mittelstreckler” come from?

Mittelstreckler (German) comes from German -ler, 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).

Ancestry of “Mittelstreckler”, step by step

StepLanguageWordMeaning
1German-lerused to create agent nouns, similar to -er
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)

Words derived from “Mittelstreckler

Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from German -er