Summit some eastbound nomads topped (7)
'summit' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see an association between them that I can't see?
'some eastbound nomads topped' is the wordplay.
'POTSDAM' is hidden backwards in amongst the letters.
However, I am uncertain how the hidden word is indicated.
Can you help me to learn more?
(Other definitions for potsdam that I've seen before include "1945 conference location" , "Site of nineteen forty fve conference" , "Brandenburg capital" , "German city" , "Site of WW2 conference" .)
'topped' is the definition.
('crown' can be a synonym of 'top')
'summit some eastbound nomads' is the wordplay.
'summit' becomes 'crown' (synonyms).
'some eastbound nomads' becomes 'ed' (I can't justify this - if you can you should believe this answer much more).
'crown'+'ed'='CROWNED'
Can you help me to learn more?
(Other definitions for crowned that I've seen before include "wreath on head" , "Invested as monarch" , "Capped" , "Hit on the head" , "Formally made monarch" .)