Does it means...? or Does it mean...?

Does it means…? or Does it mean…?
What does it means? or What does it mean?

Which one is correct?

After an auxiliary verb, the verb that follows is in the base form (bare-infinitive)

What does it mean? → mean is the base form of “to mean

Does she like football? like base form
Yes, she does. She likes it very much. In an active sentence you use the “s” (or “es”)ending for regular verbs in the third person singlar.

Does it go fast? go base form
Yes, it does. It goes 200 kilometres per hour.

Does he eat fish? eat base form
Yes, he does. He eats it every day.

Regards,

ozzy