Basically the huge majority should be changed, the current names for the Celtic units are mostly based on modern Celtic languages (for example modern Welsh). I made a list of names from my various proposals based on ancient Gaulish or old Celtic languages. Here a summary: Cingetos. Designate a member of the warrior class, litt. "those-who-walk-in-front".  Catucos. Meaning combatant, from the root Catu-, fight.  Batoros. Meaning "who-hit-hard" or "who-knocks", a fighter.
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