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English Wikipedia has an article on:


From Middle English Temese, from Old English Temes, Temese (compare Welsh Tafwys), from Latin Tamesis, Tamesas[1], possibly from Proto-Celtic *tamesās (river, waters, literally darkness), masculine ā-stem of *tames[2], s-stem of Proto-Indo-European *tm̥Hes-, zero-grade of *témHes-, *témHos- (darkness), from *temH- (dark). Related to Proto-Celtic *temeslos (darkness), *temos (dark).

A parallel in Proto-Celtic of "dark, darkness" taking on the figurative meaning of "water" can also be found in Proto-Celtic *dubros (water, dark), from Proto-Indo-European *dʰubrós (dark), yielding Welsh dŵr (water), Irish dobhar (water, sea, dark, gloomy).

Alternatively from Proto-Celtic *tā-[3], *tāyo- (to melt, flow), from Proto-Indo-European *teh₂- (to melt), or from unknown non-Indo-European root[4][5].

Possible cognates include the names of rivers and tributaries such as:


  • (rivers in England and Canada, town in New Zealand): enPR: tĕmz, IPA(key): /tɛmz/
  • (file)
  • (file)
  • (river in Connecticut): IPA(key): /θeɪmz/

Proper noun[edit]


  1. A river in southern England flowing 336 km (209 mi.) through London to the North Sea.
  2. A sea area centred on the Thames Estuary
  3. River in Ontario province, Canada, flowing 258 km (160 mi.) to Lake St. Clair.
  4. River in the U.S. State of Connecticut flowing 24 km (15 mi.) past New London to Long Island Sound.
  5. A town in the North Island of New Zealand, situated on the Firth of Thames (a large bay) and the Coromandel Peninsula.
  6. A surname​.

Derived terms[edit]



  1. ^ Mallory, J. P.; Adams, D. Q., editors (1997) Encyclopedia of Indo-European culture, London, Chicago: Fitzroy Dearborn Publishers, page 147
  2. ^ Matasović, Ranko (2009) Etymological Dictionary of Proto-Celtic (Leiden Indo-European Etymological Dictionary Series; 9), Leiden: Brill, →ISBN, page 378
  3. ^ Kitson, Peter R. (1996), “British and European River Names”, in Transactions of the Philological Society, volume 94, issue 2, DOI:10.1111/j.1467-968X.1996.tb01178.x, pages 73–118
  4. ^ Jackson, Kenneth H. (1955), “The Problem of the Picts”, in Wainright, F. T., editors, The Pictish Language, Edinburgh: Nelson, pages 129–166
  5. ^ Coates, Richard (1998), “A new explanation of the name of London”, in Transactions of the Philological Society, volume 96, issue 2, DOI:10.1111/1467-968X.00027, pages 203–229
  6. 6.0 6.1 Falileyev, Alexander (2010) Dictionary of Continental Celtic Place-names: A Celtic Companion to the Barrington Atlas of the Greek and Roman World, CMCS Publications, →ISBN
  7. ^ Delamarre, Xavier (2012) Noms de lieux celtiques de l'Europe ancienne (-500 / +500): dictionnaire, Arles: Errance, →ISBN