Where does “Ἰλλυρικός” come from?

Ἰλλυρικός (Ancient Greek) comes from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

Ἰλλυρικός (Ancient Greek): Illyrian

Definitions

  1. Illyrian

Ancestry of “Ἰλλυρικός”, step by step

StepLanguageWordMeaning
1Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
2Ancient Greek-κόςforms adjectives with the sense of 'of or...
3Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -ḱos →Every word from Ancient Greek -ικός →Every word from Ancient Greek -κός →