Where does “Likias” come from?

Likias (Latin) comes from Latin Licates, from Proto-Celtic ɸlikkā, from Proto-Indo-European pl̥keh₂, from Proto-Indo-European pleh₂- — flat.

Ancestry of “Likias”, step by step

StepLanguageWordMeaning
1LatinLicatesA Celtic tribe of Vindelicia mentioned by Pliny
2Proto-Celticɸlikkāstone
3Proto-Indo-Europeanpl̥keh₂flat surface
4Proto-Indo-Europeanpleh₂-flat
Every word from Proto-Indo-European pleh₂- →Every word from Proto-Indo-European pl̥keh₂ →Every word from Proto-Celtic ɸlikkā →