rust: [OE] Etymologically, rust means ‘reddened’. The word goes back ultimately to the Indo-European base *reudh- ‘red’ (source also of English red). This produced a prehistoric Germanic noun which has evolved into German and Swedish rost, Dutch roest, and English and Danish rust. => red
rust (v.)
early 13c., from rust (n.). Transitive sense "cause to rust" is from 1590s. Related: Rusted; rusting.
rust (n.)
"red oxide of iron," Old English rust "rust; moral canker," related to rudu "redness," from Proto-Germanic *rusta- (cognates: Frisian rust, Old High German and German rost, Middle Dutch ro(e)st), from PIE *reudh-s-to- (cognates: Lithuanian rustas "brownish," rudeti "to rust;" Latin robigo, Old Church Slavonic ruzda "rust"), from root *reudh- "red" (see red (adj.1)).
As a plant disease, attested from mid-14c. Rust Belt "decayed urban industrial areas of mid-central U.S." (1984) was popularized, if not coined, by Walter Mondale's presidential campaign.
雙語例句
1. Rust and flaking paint mean the metalwork is in poor condition.
生銹和掉漆說明金屬配件損毀嚴重。
來自柯林斯例句
2. Ray painted below the waterline with a special anti-rust paint.