This is the 507th most frequent Tamil word.
கச
The Tamil word "கச" means "bitter" or "astringent."
Here, 'கச' indicates the bitterness in taste.
பழம் கசக்கிறது.
The fruit tastes bitter.
In this context, 'கச' metaphorically refers to causing distress or emotional pain.
அவரது வார்த்தைகள் என் மனதை கசக்கின.
His words hurt my feelings.
Here, 'கச' is used to describe the taste of the medicine as bitter.