Etymograph

English

soilproof

From soil + -proof.

Formed from soil + -proof

Middle English soile ‘ground, earth’

English soil

Today it means

adj Resistant to soiling; dirtproof.

Sources

Sources: Wiktionary, “soilproof”. 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 / soilproof