Did you by any chance mean jargon?
- n. a river in eastern Asia that arises in China and flows northeast along the border between China and Russia to become a tributary of the Amur River
“Ir. Toifik, cakairmeas, i.e. ealadha faghala aiteadh argun.”
Internet Archive: Archaeologia Britannica, giving some account additional to what has been hitherto publish'd, of the languages, histories and customs of the original inhabitants of Great Britain: : from collections and observations in travels through Wales, Cornwal, Bas-Bretagne, Ireland and Scotland.
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