Where does “rototiller” come from?

rototiller (English) comes from English tiller, from Middle English tilier, from Middle English -ere, 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).

rototiller (English): a motorized cultivator having rotating blades

Definitions

  1. a motorized cultivator having rotating blades

Ancestry of “rototiller”, step by step

rototiller traces back through two separate lines of ancestry.

via English tiller

StepLanguageWordMeaning
1EnglishtillerA person who tills; a farmer; A machine that...
2Middle EnglishtilierAn agriculturalist; a cultivator; A tiller; a...
3Middle English-ereer
4Old English-eremasculine agent suffix, originally applied only...
5Proto-West Germanic-ārī-er
6Proto-Germanic-ārijaz-er
7Latin-āriuser
8Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)

via English rotary

StepLanguageWordMeaning
1EnglishrotaryCapable of rotation; A traffic circle; Any of the...
2Medieval Latinrotarius
3LatinRotaan ecclesiastical appellate court in the Catholic...
4Proto-Italicrotā
5Proto-Indo-EuropeanHróth₂-eh₂
6Proto-Indo-EuropeanHreth₂-to run

Words derived from “rototiller

Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Middle English -ere
rototiller — Etymology, Origin & Word History | Etymology Explorer