>Lucario may be derived from the reverse of orichalcum (a mythical metal) or oracle (referring to its supernatural abilities involving aura). It may also involve lupaster (a subspecies of the Canis aureus), Cairo, pharaoh, or lykos (Greek for wolf).
>orichalcum
Probably this, the spikes on it's hands, and as some have brought up it might be more metaphorical. As in nerves of steel, steel will, discipline, etc.
