Entry record from Schapper (2020): Wersing Peitoko
sus[ˈsus]
• vi. sad; unhappy; be experiencing hardship or difficulties(eng).susah(ind).
Naida sus borong.I am very unhappy.(eng), Saya susah sekali.(ind)
Origin: Malay |fn{susah} 'hardship'.
Source: Hans Retebana