Onan
'Onan,' as in Genesis 38, describes the evil from the falsity of evil which was later prominent among the Jewish peoples.
(References: Arcana Coelestia 4837)
Arcana Coelestia #480
480. It is clear from Genesis 1:26-27 as well, that 'they were called Man on the day in which they were created', that is to say, at the end of the sixth day, which answers to the evening of the Sabbath, or start of the Sabbath or seventh day. For as shown already, the seventh day or Sabbath is the celestial man.