Third person singular present tense of dwine; to waste away or decline in archaic or dialectal English.
Regular conjugation of the archaic verb 'dwine' with the -s suffix for present tense third person singular (he/she/it dwines).
In old texts, you might see 'it dwines' used the way we'd say 'it dwindles' today—these archaic forms are like fossils in the dictionary showing us language evolution.
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