chiquitito
tiny
chico
small
+
-ito
diminutive suffix
Chiquitito means tiny and can be thought of as chico0 (small0) + -ito1 (diminutive suffix1), making it 'extra small'.
adjective
- tinyVery small or tinyEl gatito es tan chiquitito que cabe en mi mano. // The kitten is so tiny that it fits in my hand.