Archenor or Acheinor (Ancient Greek: Ἀρχεήνωρ) was in Greek mythology one of the Niobids,[1] and perhaps the same who is called by Ovid "Alphenor".[2]
The names of the Niobids, however, differ very much in the different lists.
In commercial telegraph code, the word "Archenor" was used to signify "You must number your invoices".[3]