emissoryn.

/ɪˈmɪsəri/Etymology: formed as emissive adj. + -ory suffix1.
the world > movement > motion in a certain direction > going or coming out > [noun] > means of exit > specific for things
1858 G. P. Scrope (ed. 2) 59 The emissory thus forcibly created.
This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2018).