traseiro

Attested since circa 1300 (traseyra), from tras (“behind”) +‎ -eiro.

• IPA^(key): [tɾaˈsei̯ɾʊ]

traseiro (feminine traseira, masculine plural traseiros, feminine plural traseiras)

1. rear

   Antonym: dianteiro

2. hind

traseiro m (plural traseiros)

1. butt

• Seoane, Ernesto Xosé González; Granja, María Álvarez de la; Agrelo, Ana Isabel Boullón (2006–2022), “traseyra”, in Dicionario de Dicionarios do galego medieval [Dictionary of dictionaries of Medieval Galician] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Barreiro, Xavier Varela; Guinovart, Xavier Gómez (2006–2018), “traseyra”, in Corpus Xelmírez: corpus lingüístico da Galicia medieval [Corpus Xelmírez: linguistic corpus of Medieval Galicia] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Luís Santamarina Fernández, editor (2006–2013), “traseiro”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “traseiro”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Rosario Álvarez Blanco, editor (2014–2024), “traseiro”, in Tesouro do léxico patrimonial galego e portugués (in Galician), Santiago de Compostela: Instituto da Lingua Galega, →ISSN

From trás +‎ -eiro.

• Hyphenation: tra‧sei‧ro

traseiro (feminine traseira, masculine plural traseiros, feminine plural traseiras)

1. rear
2. hind

traseiro m (plural traseiros)

1. backside, behind, bum

   Synonyms: nádegas, rabo

• “traseiro”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2025