Etymograph

English

urstromtal

Urstromtal comes from German Urstromtal, from Strom ‘large river’, and ultimately from Proto-Indo-European *srew- ‘to flow’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*srew-1‘to flow’root named by Wiktionary · steps between not traced
  2. Germanc. 1650–presentStrom1‘large river’
  3. Germanc. 1650–presentUrstromtal1
  4. Englishearliest quotation 1950urstromtal1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English urstromtal
  2. Earliest quotation in Wiktionary’s entry: 1950, Margaret Reid Shackleton, Europe: A Regional Geography: “On the southern margin the plateau falls to a…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*srew-Wiktionary, English urstromtal‘to flow’root named by Wiktionary · steps between not traced
  2. Germanc. 1650–presentStromWiktionary, English urstromtal‘large river’
  3. Germanc. 1650–presentUrstromtalWiktionary, English urstromtal
  4. Englishearliest quotation 1950urstromtalWiktionary, English urstromtal. Earliest quotation in Wiktionary’s entry: 1950, Margaret Reid Shackleton, Europe: A Regional Geography: “On the southern margin the plateau falls to a…”

The story

Unadapted borrowing from German Urstromtal, from ur- (prefix meaning ‘original; primitive’) + Strom (‘large river; stream’) (ultimately from Proto-Indo-European *srew- (‘to flow; stream’)) + Tal (‘valley’) (ultimate etymology uncertain, possibly from Proto-Indo-European *dʰól(h₂)os).uncertain The source flags this step as uncertain. The plural form urstromtäler is also an unadapted borrowing from German Urstromtäler.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *srew- ‘to flow’

stream, rhythm, rheumatism, rheumatic, rheumatology, hemorrhoid, maelstrom, rheology, 42 more

Today it means

noun A broad glacial valley formed during an ice age by meltwater flowing roughly parallel to the ice margin.

Sources

Sources: Wiktionary, “urstromtal”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *srew- / urstromtal