The Austronesian Comparative Dictionary

*uaʔ parents' elder sibling

PMP uaʔ parents' elder sibling

WMP
Jarai wa uncle, aunt
Melanau Dalat ua FB, MB (add.)
Malay ua elder (in certain local terms of relationship)
Bare'e ua grandfather, grandmother
Rejang waʔ FeB, FeZ, MeB, MeZ
Makassarese uaʔ father; uncle, aunt
Sundanese ua FeB, FeZ, MeB, MeZ
Old Javanese ua uncle, aunt (older than father or mother, also used to address an older person who is not a relative)
Balinese ua uncle, aunt
Sasak uaʔ FeB, FeZ, MeB, MeZ
CMP
Buruese ua aunt
Manggarai ua father (much used by Moslems, hence probably a loan)
Bimanese ua FeB, FeZ, MeB, MeZ
Proto-Ambon ua aunt
OC
Lakalai e-ua-gu parent-in-law (woman speaking); daughter-in-law
Arosi ua grandfather, grandchild
Proto-South-Huon-Gulf wa mother's brother (and also father's sister?)