Where does “rotobeater” come from?

rotobeater (English) comes from English beater, from Middle English beter, from Old English bēatere, 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).

rotobeater (English): A kind of rotary mower

Definitions

  1. A kind of rotary mower

Ancestry of “rotobeater”, step by step

rotobeater traces back through two separate lines of ancestry.

via English beater

StepLanguageWordMeaning
1EnglishbeaterSomeone or something that beats; A kitchen...
2Middle EnglishbeterAlternative form of bettre
3Old Englishbēaterea beater; fighter; champion
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 roto

StepLanguageWordMeaning
1Englishrotorotogravure; A Chilean, especially a common man...
2Spanishrotobroken; corrupt, rotten; vulgar, low-class,...
3Latinruptusbroken; ruptured, burst
4Latinrumpōto break, burst, tear, rend, rupture; break asunder, force open
5Proto-Indo-EuropeanHrunéptito be breaking
6Proto-Indo-EuropeanHrewp-to break, tear
7Proto-Indo-EuropeanHrew-to tear out, dig out, open, acquire
Every word from Proto-Italic *-āzios