Liburnicus
Could not find Liburnici in Logeion dictionaries.
Liburnici Proper-name adjective: masculine nominative plural, Proper-name adjective: masculine vocative plural, Proper-name adjective: neuter genitive singular, Proper-name adjective: masculine genitive singular of Liburnicus
Lĭburnĭcus, (14) a, um, de Liburnie, des Liburniens : Plin. 3, 152.