←
Proto-Austronesian *Suaji (inherited)
←
Proto-Malayo-Chamic *adi-ʔ (inherited)
←
Proto-Malayic *adi-ʔ (inherited)
←
Proto-Malayo-Sumbawan *wadi-ʔ (inherited)
←
Proto-Malayo-Polynesian *huaji-q (inherited)
←
Proto-Malayo-Polynesian *huaji (mention)
→
Indonesian adik (inherited)
→
Javanese adhi (cognate)
→
Brunei Malay adi (cognate)