Senones

Via Latin from Ancient Greek Σήνωνες (Sḗnōnes), originally the capital of the Gaulish people of the same name.

Senones pl (plural only)

1. A Gaulish tribe in the Roman period.

• Essonne, oneness

From Ancient Greek Σένονες (Sénones), also found as Σήνωνες (Sḗnōnes), from Gaulish Senones, from Proto-Celtic *senos (“old”).^[1]

Senonēs or Sēnōnēs m pl (genitive Senonum or Sēnōnum); third declension

1. a Gaulish tribe

Third-declension noun (two different stems), plural only.

• “Senones”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press