uku
In English, uku means:
uku, ukù expression uttered to babies three or four months old, the interpretation of the babys cooing.
v [A3] for a three- or four-month-old baby to coo in response when talked to, tickled, blown.
Makalingaw ang bátà basta makamau nang muukù, A baby is a lot of fun when it starts to coo back at you when you talk to it.