Longed (7)
'longed' is the definition.
('yearn' can be a synonym of 'long')
This is the entire clue.
(Other definitions for yearned that I've seen before include "Felt longing (for something)" , "Desired - longed (for)" , "Desired strongly and persistently" , "Longed, hankered" , "Ached" .)
(Other definitions for itched that I've seen before include "Was in need of a scratch" , "Was keen" , "had urges" , "Felt tingling sensation in skin" , "Longed (to do something)" .)
(Other definitions for ached that I've seen before include "caused discomfort" , "Hurt" , "Throbbed" , "Yearned" , "Had a continuous pain" .)