English
roboreous
Roboreous comes from Latin roboreus ‘oak, oaken, sturdy’, and goes back to Proto-Indo-European *h₁rewdʰ- ‘red’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-1‘red’reconstructed
- Proto-Italicc. 1500–700 BCE*rouβos1reconstructed
- Latinc. 75 BCE–200 CErobur2‘reddish oak’
- Latinc. 75 BCE–200 CEroboreus2‘oak, oaken, sturdy’
- Englishearliest quotation 1854roboreous2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Latin robur
- 2 Wiktionary, English roboreous
- Earliest quotation in Wiktionary’s entry: 1854, Southern Literary Messenger: “A critic, if morbidly prone to carping, might object…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-Wiktionary, Latin robur‘red’reconstructed
- Proto-Italicc. 1500–700 BCE*rouβosWiktionary, Latin roburreconstructed
- Latinc. 75 BCE–200 CEroburWiktionary, English roboreous‘reddish oak’
- Latinc. 75 BCE–200 CEroboreusWiktionary, English roboreous‘oak, oaken, sturdy’
- Englishearliest quotation 1854roboreousWiktionary, English roboreous. Earliest quotation in Wiktionary’s entry: 1854, Southern Literary Messenger: “A critic, if morbidly prone to carping, might object…”
Linked words
through Proto-Indo-European *h₁rewdʰ- ‘red’
red, ruby, rust, reddish, rowan, ruddy, russel, redness, rubric, roux, rubella, roan, rouse, russet, erythema, rud, ruddock, rufous, 33 more
through Latin robur ‘reddish oak’
Today it means
adj Synonym of oaken, made of oak wood.
Sources
Sources: Wiktionary, “roboreous”; the older steps come from the Wiktionary entry for Latin robur. 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 *h₁rewdʰ- / roboreous