Yellow that comes from egg (7)
'yellow' is the definition.
(as in cowardly)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for chicken that I've seen before include "Yellow - young fowl" , "Proverbial road-crosser" , "Cowardly - young fowl" , "Bird, coward (colloq.)" , "easily scared" .)
I believe this is a double definition.
'yellow' is the first definition.
(thesaurus)
'egg' is the second definition.
(thesaurus)
'that comes from' is the link.
(Other definitions for albumen that I've seen before include "Egg's white" , "White poacher" , "The white part of an egg" , "Egg-white" .)