seolfor

Old English seolfor (also sylfor, siolfor) comes from Proto-Germanic *silubra, which has no clear Indo-European etymology. The word may be borrowed from a non-Indo-European source — possibly Anatolian or Semitic. Akkadian sarpu (refined silver) and the related Hebrew kesef have been proposed as distant relatives. If the borrowing theory is correct, then the Germanic word for silver came from the Near East, following the metal's trade routes. Gold named itself through color. Silver named itself through commerce.

Silver was the money metal for most of human history. While gold was too valuable for everyday transactions, silver coins — drachmas, denarii, shillings, pesos — were the standard medium of exchange from Greece to China. The Spanish peso (piece of eight), minted from silver mined in Potosí, Bolivia, was the first global currency. The word 'dollar' comes from German Thaler, a silver coin minted in Bohemia. Silver made modern money possible.

The Latin word for silver is argentum (from a root meaning 'shining, white'), which gave its name to Argentina — the land of silver — and to the chemical symbol Ag. French argent means both 'silver' and 'money.' English kept 'silver' for the metal and used 'money' (from Latin monēta) for currency. But French and Spanish collapsed the distinction: the metal and the money are the same word because for centuries they were the same thing.

Silver has a second life in photography. The silver halide process — using light-sensitive silver compounds to capture images — was the basis of all photography from the 1840s to the 2000s. Every analog photograph ever taken is a silver artifact. Digital photography replaced silver-based film, but the word 'silver screen' — from the reflective silver-coated screens of early movie theaters — survives as a synonym for cinema.