0 used to tell someone not to worry about, or place special value on, what you are doing or have done: --
"It was so nice of you to look after the baby all day." "Oh, it was nothing, I enjoyed it."
"You seem very upset." "No, no, it's nothing - I'm OK."
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
it is/was nothing