alto mar

== Galician == === Etymology === From Old Galician-Portuguese alto mar (13th century, Martin Codax): alto (“high, deep”) and mar (“sea”). === Pronunciation === IPA(key): [ˈalto ˈmaɾ] === Noun === alto mar m (plural altos mares) (nautical) high sea Synonym: mar aberto === References === Seoane, Ernesto Xosé González; Granja, María Álvarez de la; Agrelo, Ana Isabel Boullón (2006–2022), “mar”, 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), “alto mar”, 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, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “alto mar”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega