Etymograph

English

rivulose

Rivulose comes from Latin rivulus ‘rivulet’, from rīvus ‘brook’, and ultimately from Proto-Indo-European *h₃reyH- ‘to stream, churn’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reyH-1‘to stream, churn’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₃riHwós1reconstructed
  3. Proto-Italicc. 1500–700 BCE*rīwos1‘stream’reconstructed
  4. Archaic Latinc. 700–75 BCErīvos1
  5. Latinc. 75 BCE–200 CErīvus2‘brook’
  6. Latinc. 75 BCE–200 CErivulus3‘rivulet’
  7. Englishearliest quotation 1894rivulose3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin rivus
  2. 2 Wiktionary, Latin rivulus
  3. 3 Wiktionary, English rivulose
  4. Earliest quotation in Wiktionary’s entry: 1894, James M. Crombie, A Monograph of Lichens Found in Britain: “It is also generally marked above by flexuose anastomosing…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₃reyH-Wiktionary, Latin rivus‘to stream, churn’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₃riHwósWiktionary, Latin rivusreconstructed
  3. Proto-Italicc. 1500–700 BCE*rīwosWiktionary, Latin rivus‘stream’reconstructed
  4. Archaic Latinc. 700–75 BCErīvosWiktionary, Latin rivus
  5. Latinc. 75 BCE–200 CErīvusWiktionary, Latin rivulus‘brook’
  6. Latinc. 75 BCE–200 CErivulusWiktionary, English rivulose‘rivulet’
  7. Englishearliest quotation 1894rivuloseWiktionary, English rivulose. Earliest quotation in Wiktionary’s entry: 1894, James M. Crombie, A Monograph of Lichens Found in Britain: “It is also generally marked above by flexuose anastomosing…”

Linked words

through Proto-Indo-European *h₃reyH- ‘to stream, churn’

ride, riding, raid, rin, irritable, irritate, ritter, overridden, ern, 11 more

through Latin rīvus ‘brook’

rival, derivative, ria, derivation, 3 more

Today it means

adj Marked by thin, winding or crooked lines.

Sources

Sources: Wiktionary, “rivulose”; the older steps come from the Wiktionary entries for Latin rivus, Latin rivulus. 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 *h₃reyH- / rivulose

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