
1) Historical Celtic people 2) Tribe of pre-Roman Gaul
Found on
https://www.crosswordclues.com/clue/helvii

The Helvii (also Elui, ancient Greek Ἑλουοί) were a relatively small Celtic polity west of the Rhône river on the northern border of Gallia Narbonensis. Their territory was roughly equivalent to the Vivarais, in the modern French department Ardèche. Alba Helviorum was their capital, possibly the Alba Augusta mentioned by Ptolemy, and usua...
Found on
http://en.wikipedia.org/wiki/Helvii
No exact match found.