へそ
heso.
臍 /he so/.
Ombligo is the spanish word for bellybutton.
navel
buttonhole bellybutton
There was more scope for imagination in the abandoned house..
An innie bellybutton
His bellybutton is an outie.
Bellybutton IS the slang term for the navel.
Abbi does not appear to be a Japanese word.
This is not a Japanese word.
Japanese does not have a word for "it."
Definitely your bellybutton.