LAT

Lewis Short

bua (noun F) : bu, Paul. ex Fest. s. v. im butum, p. 109 Müll.
* The natural sound made by infants in asking for their drink, as pappa for their food, Varr. ap. Non. p. 81, 1 sq.; cf. vinibua.
Charlton T. Lewis, Charles Short, A Latin Dictionary

TLL

s. TLL
Thesaurus Linguae Latinae
memory