Entry record from Schapper (2020): Wersing Peitoko
ailak[ˈajlak]
• n. sweet potato(eng).ubi jalar; ubi batatas(ind).
Purasi deing ilu gbitirmi ailak mdi.The people of Pureman plant sweet potatoes by the side of the stream.(eng), Orang Pureman tanam betatas di pinggir kali.(ind)
Scientific name: Ipomoea batatas
Etymology: Austronesian borrowing. First element |fn{ai-} is certainly a reflex of PMP *kahiw ‘tree, wood’ (ACD).
Etymology: bibref R003
Source: Hans Retebana