Where does “grinder” come from?

grinder (Middle English) comes from Old English grindere, from Old English -ere, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “grinder”, step by step

StepLanguageWordMeaning
1Old Englishgrindereone who or that which grinds, especially corn or...
2Old English-eremasculine agent suffix, originally applied only...
3Proto-West Germanic-ārī-er
4Proto-Germanic-ārijaz-er
5Latin-āriuser
6Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

Words derived from “grinder

Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Old English -ere