missikinsn.
Origin: Formed within English, by derivation. Etymons: missy n., -kins suffix.
Etymology: < missy n. + -kins suffix. Compare earlier missikin n.
rare.
the world > people > person > child > girl > [noun] > as term of address
1923 W. de la Mare 254 And what, missikins, can I do for you?
This is a new entry (OED Third Edition, June 2002; most recently modified version published online March 2022).