opheilo (Greek #3784)
to owe (pecuniarily); figuratively, to be under obligation (ought, must, should); morally, to fail in duty
KJV usage: behove, be bound, (be) debt(-or), (be) due(-ty), be guilty (indebted), (must) need(-s), ought, owe, should. See also 3785.
Pronounce: of-i'-lo
Origin: ὀφειλέω (of-i-leh'-o) probably from the base of 3786 (through the idea of accruing)