English
rust
Rust comes from Proto-Indo-European *rudʰso- ‘red’, and goes back to *h₁rewdʰ-.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-‘red’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*rudʰso-‘red’reconstructed
- Proto-Germanicc. 500 BCE–200 CE*rustazreconstructed
- Proto-West Germanicc. 200–500 CE*rustreconstructed
- Old Englishc. 450–1150rust
- Middle Englishc. 1150–1500same form
- Englishtodaysame form
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁rewdʰ-‘red’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*rudʰso-‘red’reconstructed
- Proto-Germanicc. 500 BCE–200 CE*rustazreconstructed
- Proto-West Germanicc. 200–500 CE*rustreconstructed
- Old Englishc. 450–1150rust
- Middle Englishc. 1150–1500same form
- Englishtodaysame form
Linked words
through Proto-Indo-European *h₁rewdʰ- ‘red’
red, ruby, reddish, rowan, roux, redness, corroborate, rouse, roan, ruddy, rubric, russel, rubella, erythema, russet, ruddock, rufous, rud, robusta, 34 more
Another origin of rust
- Middle Englishc. 1150–1500rust
- Middle English, derivedc. 1150–1500rusten‘to rust’
- Englishtodayrust
Today it means
noun The deteriorated state of iron or steel as a result of moisture and oxidation; it consists mostly of iron(III) oxide (ferric oxide) and iron(II) oxide (ferrous oxide).
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₁rewdʰ- / rust