thalweg

Etymology
Borrowed from 19th century, from.

Noun

 * 1)  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.

Usage notes

 * The alternative spelling is consistent with the German spelling reform of 1901.

Translations

 * Catalan: tàlveg
 * Extremaduran: vaguá
 * French:
 * Galician: bañola, farrigorcia,
 * German: Talweg
 * Ido:
 * Korean: 최심선
 * Northern Sami: oalli
 * Norwegian: djupål
 * Portuguese:
 * Russian:
 * Spanish:

Etymology
prior to the 1901 spelling reform (see etymology of English entry).