英语词汇rust的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

rust

early 13c., from rust, n.. Transitive sense "cause to rust" is from 1590s. Related: Rusted; rusting.

"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.

词汇	rust
词根词缀	Online Etymology Dictionary rust v. early 13c., from rust, n.. Transitive sense "cause to rust" is from 1590s. Related: Rusted; rusting. 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.
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