This is an important character with several meanings. Might just have to memorize this one.But, you have two very simimlar shapes here, so one comes (congs?) **from** the other.Also:
  • via
  • passing through
  • through (a gap)
  • past
  • ever (when followed by negative = never)
  • to comply with
  • to obey
  • to join
  • to engage in
  • adopting some mode of action or attitude
  • follower
  • retainer
  • accessory
  • accomplice
  • related by common paternal grandfater or earlier ancestor