D defs.my
Entry 1 sense Webster, 1913

In esse

/ĭn ĕs/ · In· es·se · IPA /ɪnˈɛsi/
01 In being; actually existing; -- distinguished from in posse, or in potentia, which denote that a thing is not, but may be.
  1. 1.
    In being; actually existing; -- distinguished from in posse, or in potentia, which denote that a thing is not, but may be.