( BrE also fledge·ling ) / ˈfledʒlɪŋ; NAmE / noun
1.
a young bird that has just learnt to fly
2.
(usually before another noun) a person, an organization or a system that is new and without experience :
fledgling democracies
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WORD ORIGIN
mid 19th cent.: from the obsolete adjective fledge ready to fly , from Old English , of Germanic origin; on the pattern of nestling .