Etymograph

English

rustful

From rust + -ful.

Formed from rust + -ful

Proto-Indo-European *h₁rewdʰ- ‘red’

…

Proto-Germanic *rustaz

Proto-West Germanic *rust

Old English rust

Middle English rust

English rust

Today it means

adj rusty.

Sources

Sources: Wiktionary, “rustful”. 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 / rustful