to meet by chance (usually with misfortune) / classifier for events: time, turn, incident
遭
=
曹
+
辶
:
Once upon a time (遭) Zorro (b) caught a huge white Chinese herring (曹) and brought it back to the aorta (ao1), but he met with misfortune (遭) as he dropped the herring onto his new gladiator sandals (辶) in front of the aorta (ao1).