Learn how to say Dwindled correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word dwindle:
diminish gradually in size, amount, or strength:
traffic has dwindled to a trickle
(as adjective dwindling)
late 16th century: frequentative of Scots and dialect dwine ‘fade away’, from Old English dwīnan, of Germanic origin; related to Middle Dutch dwīnen and Old Norse dvína