chit
a short letter, notification’
Lexical development traced from the Tamil root:
E. chitt < chitty < Hin. chitthi ‘letter, note, memorandum’ < Skt. chitra-s ‘distinctively marked’ < chit < Tamil ciṭṭu < Tamil iṭṭu
chit
English words derived from iṭṭu connoting 'small'