(いく)

いく
prefix
several ~, how many ~
number
See also: () (go)
1. several, some
A prefix indicating an indefinite but notable number.
2. how many, how much
A prefix used in questions about quantity.
How old are you?
How many apples are there?
How much is this?
How many days will it take?
How many days are there until the exam?

(いく)〜 is a prefix meaning 'several' or 'how many.'

Compounds

Common expressions

Question form

(いく) is the polite way to ask someone's age.