The term Latgalians (Latgalian: latgalisi, latgali, Latvian: latgali, letgali, leti (also spelt Latgallians and sometimes known as Lettigalls, Latgolans, or Lettigallians) can refer to the inhabitants of the Latgale region in eastern Latvia in general, the ethnic Latvians of Latgale (especially those who speak the Latgalian language), or to the ancient Baltic tribe. In English, the more archaic Lettigallians usually refers to the tribe. In Latvian, latgali refers to the ancient tribe, whilst latgaliesi refers to the ethnic Latvians of Latgale, which developed separately from the rest of ethnic Latvia in 1621-1917, though the terms are confused in colloquial Latvian. The ancient Letts, or "Latgalians" (i.e. inhabitants of the primal Latgale, likely derived from *Laetgale = "The Lettland"; cf.
Contributions by 220.127.116.11, Ralfins222, and Gugutis.