English
tosh
From 19th-century British thieves' cant, of uncertain origin.
The story
From 19th-century British thieves' cant, of uncertain origin.uncertain The source flags this step as uncertain. Sense of nonsense possibly influenced by tush (‘nonsense! tsk tsk!’) attested from 15th century.
Today it means
noun Copper; items made of copper.
Sources
Sources: Wiktionary, “tosh”. 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 / tosh