port

Inherited from Old Catalan port, from Latin portus, from Proto-Italic *portus, from Proto-Indo-European *pértus (“crossing”), from *per- (“to go forth, to cross”).


Congo

Republic of the Congo
Republic of the Congo

Democratic Republic of the Congo
Democratic Republic of the Congo

Congo (a country in Central Africa, larger and to the east of the Republic of the Congo)

Congo (a country in Central Africa, smaller and to the west of the Democratic Republic of the Congo)

Congo (a large river in Africa, which flows for about 4,380 km (2,720 miles) to the Atlantic Ocean in the Democratic Republic of Congo)


canal

Inherited from Latin canālis (“channel; canal”).


Tigris

From Latin Tigris, from Ancient Greek Τίγρις (Tígris), an alternative form of Τίγρης (Tígrēs), from Old Persian 𐎫𐎡𐎥𐎼𐎠 (Tigrā), from Akkadian 𒀀𒇉𒈦𒄘𒃼 (^(ÍD)Idiqlat), from Sumerian 𒀀𒇉𒈦𒄘𒃼 (^(ÍD)Idigna, ^(ÍD)Idigina, literally “fast as an arrow”).


mar

Inherited from Old Catalan mar, from Latin mare (“sea”), from Proto-Italic *mari, from Proto-Indo-European *móri.


golf

Inherited from Vulgar Latin or Late Latin colfus, colphus, culfus, alteration of colpus, from Ancient Greek κόλπος (kólpos).


From Ancient Greek Νεῖλος (Neîlos), probably via Arabic نِيل (nīl).


Volta

Borrowed from Portuguese Volta, from volta (“turnaround, return”).


Volga

Volga (A river in Russia, the longest river in Europe, flowing 2,325 miles through western Russia to the Caspian Sea)


piscina

Borrowed from Latin piscīna (“fishpond”).


bassa

Of pre-Roman origin. Compare Spanish balsa.


Tet

French: Têt

Têt (a river in the Pyrénées-Orientales department, Occitanie, France)


badia

Probably from French baie influenced by badar or badiu.

bay (body of water mostly surrounded by land)


Níger

Niger (a country in West Africa, situated to the north of Nigeria)

Niger (a major river in West Africa, that flows into the Gulf of Guinea in Nigeria)


Eufrates

Borrowed from Latin Euphrātēs, from Ancient Greek Εὐφράτης (Euphrátēs), from Old Persian 𐎢𐎳𐎼𐎠𐎬𐎢 (u-f-r-a-tu-u /ʰUfrātuš/), from Akkadian 𒀀𒇉𒌓𒄒𒉣 (^(ÍD)Purattu), from Sumerian 𒀀𒇉𒌓𒄒𒉣 (^(ÍD)Buranun).


Loira

Borrowed from French Loire, from Latin Liger, itself borrowed from the native Gaulish name.


llac

Inherited from Latin lacus (“lake”), from Proto-Italic *lakus, from Proto-Indo-European *lókus (“lake, pool”).


meandre

Learned borrowing from Latin Maeander, from Ancient Greek Μαίανδρος (Maíandros), a river in Asia Minor known for its winding course.


estany

Inherited from Latin stagnum. Compare Occitan estanh.


estret

Inherited from Latin strictus. Compare Occitan estreit, French étroit, Spanish estrecho. Doublet of estricte, a learned borrowing.


Mosa

From Latin Mosa, from Celtic, deriving from Proto-Celtic *mosā.


Mississipí

Mississippi (a river in the United States)


Rin

From Old High German Rīn, probably via French Rhin.


Òlt

Lot (a river flowing throuh the regions of Occitanie and Nouvelle-Aquitaine in France)


Marne

Borrowed from French Marne, from Latin Mātrona.

Marne (a right tributary of the Seine, in eastern France)


mar de Bering

Bering Sea (a marginal sea of the Pacific Ocean)


Amazones

Calque of Spanish (Río) Amazonas, whose name commemorates a tribe of fierce women warriors encountered by the Spanish explorer Francisco de Orellana.


Danubi

Learned borrowing from Latin Dānubius, from Proto-Celtic *Dānowyos, an extended form of the river-name *Dānu, from Proto-Indo-European *déh₂nu (“river goddess”), akin to *dʰenh₂- (“to set in motion; to flow”).


Guadalquivir

Borrowed from Spanish Guadalquivir, derived from Arabic وَادِي الكَبِير (wādī l-kabīr, literally “the great river”).

وَادِي الكَبِير

Guadalquivir (a river in southern Spain)


Llobregat

[ʎu.βɾəˈɣat]

Inherited from Latin Rubricātus (“reddish”).


Saona

Borrowed from French Saône, from Latin Sauconna, from the Celtic/Gaulish river goddess Souconna, from a Proto-Celtic word meaning "the flowing, the suckler," from Proto-Indo-European *sewg-, *sewk-.


Jordà

Borrowed from Latin Iordanēs, from Ancient Greek Ἰορδάνης (Iordánēs), from Biblical Hebrew יַרְדֵּן (yardén, “Jordan (river)”).

der

Jordan (a river in Western Asia, in the Middle East, that empties into the Dead Sea, flowing through Israel, the Golan Heights, the West Bank and Jordan)


Bellera

A river in Pallars Jussà, Lleida, Catalonia


Roine

Rhone (a river in Switzerland and France)


Ripoll

Likely from Latin rīvus pōpulōrum (“river of poplars”).

Vallès Occidental
Vallès Occidental#English


Segre

Inherited from Latin Sicoris, of uncertain Proto-Celtic origin.

A river in France, Spain and Andorra, an affluent of the Ebro


llacuna

Semi-learned borrowing from Latin lacūna.


Iang-Tsé

Borrowed from French Yangtsé, from Mandarin 揚子／扬子 (Yángzǐ), the former local name for a stretch of the Lower Yangtze.

dofí del Iang-tsé
Yangtze dolphin; baiji


golf de Bengala

Bay of Bengal (a gulf of the Indian Ocean)


golf del Lleó

Mediterranean Sea
Mediterranean Sea#English

Gulf of Lion (a gulf of the Mediterranean Sea)


golf de Mèxic

Gulf of Mexico (a gulf of the Caribbean Sea)


mar Negra

Southeastern Europe
Southeastern Europe#English

Black Sea (a sea between Southeastern Europe and Asia Minor)


mar de la Xina Meridional

South China Sea (a sea in the Pacific Ocean)


Aglí

French: Agly


mar Chiquita

Córdoba Province
Córdoba Province#English

Santiago del Estero Province
Santiago del Estero Province#English

Mar Chiquita (a lake in Córdoba Province and Santiago del Estero Province, Argentina)


Paranà

Borrowed from Spanish Paraná or Portuguese Paraná, both from Old Tupi paranã (“river”).

Paraná (a river in central and southern South America)


estret de Messina

l' estret de Messina (canonical masculine)

Strait of Messina
Strait of Messina#English

Strait of Messina (a strait in the Mediterranean Sea)


canal de la Mànega

el canal de la Mànega (canonical masculine)

English Channel (a strait of the Atlantic Ocean separating France from the British Isles.)


mar Jònica

Ionian Sea (a marginal sea of the Mediterranean Sea, located between Italy and Greece)


Flamisell

From Latin flūmicellus, diminutive of flūmen (“river”).


Francolí

Perhaps from a personal name, Latin Francolīnus.