Latvia as its currency since 1 January 2014, replacing the Latvian lats. The name "Latvija" is derived from the name of the ancient Latgalians, one of four Indo-European Baltic tribes (along with Couronians, Selonians and Semigallians), which formed the ethnic core of modern Latvians together with the Finnic Livonians. Henry of Latvia coined the latinisations of the country's name, "Lettigallia" and "Lethia", both derived from the Latgalians. The terms inspired the variations on the country's name in Romance languages from "Letonia" and in several Germanic languages from "Lettland". Around 3000 BC, the proto-Baltic ancestors of the Latvian people settled on the
Lithuanian long currency identified three main differences: Lithuanian long currency The so-called Lithuanian long currency was a type of money used by the Baltic tribes and in the early Grand Duchy of Lithuania in the 12th–15th centuries. It was commodity money in the form of silver ingots. Most often they were semicircular rods about in length and weighted between . Other trading centers, notably Kievan Rus' and Veliky Novgorod, developed their own version of such ingots which are known as grivna or grzywna. The ingots were replaced by minted coins in the middle of the 15th century. The currency was mentioned already by