fragile, beதுவண்டுபோtuvaṇṭupō(tovaṇḍupoo)(3b intr)be or become frail or withered; feel weak or off color; be physically thin and weak; be wispy, as with old age or illness
Usage:
வயதானதால் இப்போது அவருடைய ஆரோக்கியம் துவண்டுபோயிருக்கிறதுvayatāṉatāl ippōtu avaruṭaiya ārōkkiyam tuvaṇṭupōyirukkiṟatu
vayasaanadaale ippa avarooḍa aarookkiyam tovaṇḍupooyirukku
His health is very fragile now, due to old age.