Where does “Unterarmmuskel” come from?

Unterarmmuskel (German) comes from German Unterarm, from German Arm, from German Leuchter, from German -er, from Old High German -āri, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius — Forms relational adjectives to nouns (and rarely numerals).

Unterarmmuskel (German): forearm muscle

Definitions

  1. forearm muscle

Ancestry of “Unterarmmuskel”, step by step

Unterarmmuskel traces back through two separate lines of ancestry.

via German Unterarm

StepLanguageWordMeaning
1GermanUnterarmforearm
2GermanArman arm; anything that resembles an arm
3GermanLeuchtercandlestick, sconce; candelabra
4German-erForms agent nouns etc. from verbs, suffixed to...
5Old High German-āriused to form agent nouns
6Proto-West Germanic-ārī-er
7Proto-Germanic-ārijaz-er
8Latin-āriuser
9Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via German Muskel

StepLanguageWordMeaning
1GermanMuskelmuscle
2Latinmūsculusa small mouse
3Ancient Greekμῦςmouse; A type of mussel; A type of whale
4Proto-Hellenic*mū́s
5Proto-Indo-IranianmúHsmouse
6Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Italic *-āzios