Entry record from Schapper (2020): Wersing Peitoko
y-[j-]
(1) prefix. 2nd person plural prefix of the "first" (I) agreement series on verbs.kalian; orang kedua jamak awalan dari pola "basis" pada kata kerja.
Ysir boCome down!, Turun lah!
Yamsing.You are hungry., Kalian lapar.
(2) prefix. 2nd person plural for possessors of inalienably possessed nouns.kalian punya.
yerkodayour chest, dada kalian
Source: Hans Retebana