Sparkling Blue Nile flowing by Tana originally (9)
I believe the answer is:
ebullient
'sparkling' is the definition.
(thesaurus)
'blue nile flowing by tana originally' is the wordplay.
'flowing' indicates anagramming the letters.
'by' says to put letters next to each other.
'originally' says to take the initial letters.
The initial letter of 'tana' is 't'.
'blue'+'nile'='bluenile'
'bluenile' anagrammed gives 'ebullien'.
'ebullien'+'t'='EBULLIENT'
(Other definitions for ebullient that I've seen before include "Exuberant, high-spirited" , "cock- a-hoop" , "bright and breezy?" , "Libel tune (anag.)" , "Bubbling with enthusiasm" .)