Scaly-breasted cupwing or scaly-breasted wren-babbler 
(Khướu đất đuôi cụt, Pnoepyga albiventer) 

The scaly-breasted cupwing or scaly-breasted wren-babbler (Pnoepyga albiventer) is a species of bird in the Pnoepyga wren-babblers family, Pnoepygidae. 
The bird is found in southern and eastern Asia from the Himalayas to Indochina.

Pnoepyga, Pnoepygidae: pnoe [Greek] πνοή (pnoē): wind, breath, breeze, soul; pyga: puge meaning "rump".

albiventer: From Latin albus (“white”) & venter - Borrowing from Latin venter (“the belly; the womb; a swelling”).