To gradually consume or erode something over time.

To diminish or reduce something gradually.

धीरे-धीरे किसी चीज़ को कम करना या घटाना।

English Usage: His criticisms seemed to eat away at her confidence.

Hindi Usage: उसकी आलोचनाएं उसकी आत्मविश्वास को धीरे-धीरे खा गईं।