itsy-bitsy

 
Pronunciation: /ɪtsɪˈbɪtsi/
(also itty-bitty /ɪtɪˈbɪti/)

adjective

informal
  • very small; tiny: itsy-bitsy candles that couldn’t light the path of an ant

Origin:

1930s: from a child's form of little + bitsy (from bit1 + -sy)