Where does “Zehnerlogarithmus” come from?

Zehnerlogarithmus (German) comes from German Zehner, 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).

Zehnerlogarithmus (German): common logarithm, decadic logarithm, decimal logarithm

Definitions

  1. common logarithm, decadic logarithm, decimal logarithm

Ancestry of “Zehnerlogarithmus”, step by step

Zehnerlogarithmus traces back through two separate lines of ancestry.

via German Zehner

StepLanguageWordMeaning
1GermanZehnerten
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)

via German Logarithmus

StepLanguageWordMeaning
1GermanLogarithmuslogarithm (for a number x, the power to which a given base number must be raised in order to obtain x)
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from German -er