[1701] 1. modern, s. moderig (werden, sein), vermodern.
Adelung-1793: Modern
Brockhaus-1911: Modérn · Modern
DamenConvLex-1834: Modern
Eisler-1904: Modern
Herder-1854: Modern
Mauthner-1923: modern
Meyers-1905: Modérn · Modern
Pierer-1857: Mōdern · Modērn · Modern