Where does “Vierziger” come from?

Vierziger (German) comes 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).

Vierziger (German): Anything defined by the number forty, especially

Definitions

  1. Anything defined by the number forty, especially

Ancestry of “Vierziger”, step by step

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