Primarily used for children and pets; carries a warm, praising tone. Often used by parents or caregivers.
See also: 利口
My child was very well-behaved today.
What a good dog you are.
good child; well-behaved child
Standard spelling with honorific prefix お.
Variant kanji for 利口; less common but still seen.
Honorific prefix お + 利口 (clever, well-behaved). The exact derivation of 利口 is uncertain, but it is conventionally associated with the meanings 'clever' and 'good'.