Luwians

The Luwians were a group of people who lived in Asia Minor and Northern Syria in the Bronze Age and the Iron Age. They spoke the Luwian language, an Indo-European language of the Anatolian sub-family, which was written in cuneiform and a unique Hieroglyphic script, which was sometimes used by the Hittites too.

The origin of the Luwians can only be guessed at. A wide variety of suggestions exist, even today, which are connected to the debate over the original homeland of the Indo-European speakers: suggestions include the Balkans, the Lower Volga and Central Asia. Even then, little can be proved about the route that the ancestors of the Luwians took to end up in Anatolia. It is also unclear whether the separation of the Luwians from the Hittites and the Pala occurred in Anatolia or earlier.

It is possible that the Demircihüyük culture (c.3500-2500 BC) is connected with the arrival of Indo-Europeans in Anatolia, since Proto-Anatolian must have split off around 3000 BC at the latest on linguistic grounds.

Certain evidence of the Luwians begins around 2000 BC, with the presence of personal names and loan words in Old Assyrian documents from Kültepe, dating from between 1950 and 1700 BC (Middle Chronology), which shows that Luwian and Hittite were already two distinct languages at this point. Accordiing to most scholars, the Hittites were then settled in upper Kızılırmak and had their economic and political centre at Kaniš-Neša (from which the Hittite language gained its native name, nešili). The Luwians might well have lived in southern and western Anatolia, perhaps with a political centre at Purushanda. The Assyrian traders who were present in Anatolia at this time refer to the local people as nuwaʿum without any differentiation. This terms seems to derive from the name of the Luwians, with the change from l/n resulting from the mediation of Hurrian.

...
Wikipedia