Where does “esmerilhadeira” come from?

esmerilhadeira (Portuguese) comes from Portuguese -deira, from Latin -āria, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

esmerilhadeira (Portuguese): angle grinder, disc grinder, side grinder

Definitions

  1. angle grinder, disc grinder, side grinder

Ancestry of “esmerilhadeira”, step by step

StepLanguageWordMeaning
1Portuguese-deira{{non-gloss|indicates an activity or profession
2Latin-āriaused to form feminine counterparts of masculine agent nouns in
3Latin-āriuser
4Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Latin -āria →