Where does “Lastarm” come from?

Lastarm (German) comes 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, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Lastarm (German): load arm, resistance arm

Definitions

  1. load arm, resistance arm

Ancestry of “Lastarm”, step by step

Lastarm traces back through two separate lines of ancestry.

via German Arm

StepLanguageWordMeaning
1GermanArman arm; anything that resembles an arm
2GermanLeuchtercandlestick, sconce; candelabra
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 last

StepLanguageWordMeaning
1Germanlastsecond-person singular/plural preterite of lesen
2Middle High Germanlast
3Old High Germanhlast
4Proto-Germanichlastuzload, burden, cargo, freight
5Proto-Indo-Europeankleh₂-to put; to lay out
6Proto-Indo-Europeankelh₂-to beat; to break
Every word from Proto-Italic *-āzios