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-deiro

Portuguese, suffix/ˈde(j).ɾu/

-deiro is a Portuguese masculine suffix meaning “indicates an activity or profession” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “forma substantivos de ação ou dando nome a utensílios”.

What does -deiro mean in English?

suffix

  1. 1

    masculineindicates an activity or profession

    água (“water”) + -deiro → aguadeiro (“water carrier”)

  2. 2

    masculineindicates a place or object suitable for something

    apear (“to alight”) + -deiro → apeadeiro (“minor railway station”)

Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).

How Portuguese dictionaries define it

suffix: 1. forma substantivos de ação ou dando nome a utensílios

The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.

Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

How do you pronounce -deiro?

  • Brazil /ˈde(j).ɾu/
  • Brazil [ˈde(ɪ̯).ɾu]
  • Portugal /ˈdɐj.ɾu/

Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.