Where does “Dachgepäckträger” come from?

Dachgepäckträger (German) comes from German Gepäckträger, from German Träger, 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).

Dachgepäckträger (German): roof rack

Definitions

  1. roof rack

Ancestry of “Dachgepäckträger”, step by step

Dachgepäckträger traces back through two separate lines of ancestry.

via German Gepäckträger

StepLanguageWordMeaning
1GermanGepäckträgerporter, luggage carrier
2GermanTrägeragent noun of tragen; carrier, support; girder,...
3German-erForms agent nouns etc. from verbs, suffixed to...
4Old High German-āriused to form agent nouns
5Proto-West Germanic-ārī-er
6Proto-Germanic-ārijaz-er
7Latin-āriuser
8Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via German dach

StepLanguageWordMeaning
1Germandach
2Middle High Germandach
3Old High Germandag
4Old High Germantagday
5Proto-West Germanicdagday
6Proto-Germanicdagazday; name of the D-rune
7Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from German -er