English
sootproof
From soot + -proof.
Formed from soot + -proof
Proto-Indo-European *sed- ‘to sit’
Proto-Germanic *sōtą
Old English sōt
Middle English soot
English soot
Today it means
adj Resistant to soot.
Sources
Sources: Wiktionary, “sootproof”. 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 / sootproof