Adjective
Commodian (comparative more Commodian, superlative most Commodian)
Of or relating to Commodus (Marcus Aurelius Commodus Antoninus Augustus; 161 AD–192 AD), Ancient Roman Emperor.
Some interpretations show that the birth of Mithras was celebrated by lighting torches or candles. citation Commodian, Instructiones 1.13: "The unconquered one was born from a rock, if he is regarded as a god." Source: Internet