Joint description of Eve's origin (8)
'joint' is the definition.
(I've seen this before)
'description of eve's origin' is the wordplay.
'description of' becomes 'spare' (I can't justify this - if you can you should believe this answer much more).
'eve's origin' becomes 'rib' (I've seen this in another clue).
'spare'+'rib'='SPARE-RIB'
Can you help me to learn more?
(Other definitions for spare rib that I've seen before include "Barbecued bone?" , "it's hardly a chop)" , "Meat on the bone, perhaps in barbecue sauce" , "Pork joint" , "Adam, apparently, had one" .)
(Other definitions for sparerib that I've seen before include "Bone in barbecue sauce, say" , "Pork snack" , "Bony piece of meat" , "Only a little pork on this bone" , "Barbecued bone?" .)