frail, beதளர்ந்து போtaḷarntu pō(taḷandu poo)(3b intr)be or become weak or delicate in health; become physically weak or tired
Usage:
அவர் வயதானதால் தளர்ந்து போயிருக்கிறார்avar vayatāṉatāl taḷarntu pōyirukkiṟār
avar vayasaanadaale taḷandu pooyirukkaaru
He has become very frail in his old age.