Problematic about etymology of Arecomici tribe
Volcae Arecomici = Arecomiques celtic tribe in Narbonaise
Areko = Areiko = Ari-ko see Old Irish Aire(ch) = lord/Noble see Pokorny IE * Ario-
And * Mik-
• Di-ro-miko = To despise see Welsh Dirmygu
• Di(s)-miko = Scorn see Old Breton Dimic and Breton Dismeg/Diveg (Snub/cowardly/ shame)
• Miko = (?) see Old Breton Mic (To shine/To appear ?)
Areko-mici = the shining noble ?
I've seen some of the are- etys explained as *pari-, *peri- (vel sim) "around, near, by"; so look to see if (p)are-komiki works