dedans

[duh-dahn] /dəˈdɑ̃/
noun, plural dedans
[duh-dahn] /dəˈdɑ̃/ (Show IPA). (used with a singular verb) Court Tennis.
1.
a netted winning opening of rectangular shape at the service side of the court.
Compare grille (def 5), winning gallery.
2.
the body of spectators behind this opening at a court-tennis match.
Origin
1700-10; < French: (the) inside, Middle French (adv. and preposition), Old French dedenz, equivalent to de of (< Latin dē) + denz in (< Late Latin deintus, equivalent to Latin dē- de- + intus inside (adv.))
British Dictionary definitions for dedans

dedans

/dədɑ̃/
noun
1.
(real tennis) the open gallery at the server's end of the court
Word Origin
literally: interior