leitis

Etymology
From (related to 🇨🇬 < ), from,  with an extra -t, from ,. The stem was perhaps originally a reference to people from the "land of the rain" or "land of the rivers." It is also possible that there was an original river or lake name, from which , > , from which the nominative  could be derived.

Noun

 * 1) a (male) Lithuanian
 * : Lithuanian, pertaining to Lithuania and its people
 * : Lithuanian, pertaining to Lithuania and its people

Usage notes
The basic, neutral term is. The words and  are synonyms, but are much less often used, usually poetically, or in historical contexts (referring to ancient Lithuanians).