Etymograph

English

Sea of Tranquility

Sea of Tranquility comes from Latin mare ‘sea’, and goes back to Proto-Indo-European *móri.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*móri‘sea’reconstructed
  2. Proto-Italicc. 1500–700 BCE*mari‘sea’reconstructed
  3. Latinc. 75 BCE–200 CEmare‘sea’
  4. EnglishtodaySea of Tranquility

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*móri‘sea’reconstructed
  2. Proto-Italicc. 1500–700 BCE*mari‘sea’reconstructed
  3. Latinc. 75 BCE–200 CEmare‘sea’
  4. EnglishtodaySea of Tranquility

Made of the words Sea + of + Tranquility

Proto-Germanic *saiwiz ‘sea, lake’

Proto-West Germanic *saiwi ‘body of water’

Old English sǣ

Middle English see ‘sea’

English Sea

Proto-Indo-European *h₂ep

…

Proto-West Germanic *ab

Old English æf

Old English of ‘from’

Middle English of

English of

The story

Coined by Italian Jesuit astronomer Giovanni Battista Riccioli, by labelling a map created by Italian Jesuit optician Francesco Maria Grimaldi, and then published in 1651 in the Almagestum Novum.

Linked words

through Proto-Indo-European *mer- ‘sea, lake, wetland’

remember, murder, nightmare, mortal, mortar, mara, muller, morbid, mort, morn, ambrosia, marshy, moribund, marinara, cormorant, 60 more

through Proto-Indo-European *móri ‘sea’

march, mere, marsh, moor, 15 more

through Proto-Italic *mari ‘sea’

submarine, mariner, 9 more

through Latin mare ‘sea’

marine, maritime, mare, marinate, maar, martingale, 13 more

Today it means

name A basin in Nearside, Moon, Earth, Solar System; location of the first manned moon landing, in 1969.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *móri / Sea of Tranquility

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