the ripening of fruit, especially of fruit stored until the desired degree of softness is attained.
Origin of bletting
< French blet (feminine blette) overripe (variant of Old French blece, adj. derivative of blecier to bruise < Old Low Franconian *blettian) + -ing1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019