thalweg

English

WOTD – 23 September 2009

Borrowed from 19th century German Thalweg, from Thal (“valley”) +‎ Weg (“way, course”).

thalweg (plural thalwege or thalwegs)

(geology, geography, cartography) The line that connects the lowest points in a valley or river channel, and thus the line of fastest flow or deepest water along a river’s course.

The alternative spelling talweg is consistent with the German spelling reform of 1901. [1]

line that connects the lowest points in a valley or river channel

2005, Ed. Catherine Soanes and Angus Stevenson, The Oxford Dictionary of English (2nd edition revised), Oxford University Press, →ISBN
2004, Susan Mayhew, A Dictionary of Geography, Oxford University Press, →ISBN

thalweg m (plural thalwegs)

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