Entry record from de Josselin de Jong (1937): Woirata
Page number: 245
kasu(n)
• debt; vow; promise(eng).
kasun āni
• be in debt; owe(eng).
kasun nadouren
• dunning (for payment)(eng).
itakasu
• be enemies to each other(eng).
kaskasu
• be enemies to each other(eng).
eme ina to kasu
• make somebody contract debts by selling to him on credit(eng).
Literally: give so that there is debt