1. Movement:
- In Japanese, "iku" means "to go" or "to move."
- For example, "Iku made" means "until/before going."
2. Count and Quantity:
- In certain African languages, such as Yoruba, "iku" can mean "ten."
- For instance, "Omo iku" translates to "ten children."
3. Traditional Name:
- "Iku" is also used as a given name, particularly in Japan.
4. Medical Term:
- In the field of medicine, "IKU" can refer to the International Kidney and Urology Journal.
Without more context, it's challenging to provide a precise definition. Can you provide more details about the context or example in which you encountered "iku"?