Etymology: Previous versions of the OED give the stress as: unsuˈpporting.
(un-prefix1 4.)
ΘΚΠ
the world > action or operation > easiness > aid, help, or assistance > support > [adjective] > not
unsupporting1595
1595 S. DanielFirst Fowre Bks. Ciuile Warresv. cv. sig. Ee2v For loosing war abroad; at home lost peace, Be'ing with our vnsupporting selues close pent.
1653 Bp. J. TaylorΕνιαυτος: Course of Serm.i. xiii. 165 People whose arme is all flesh, whose foot is all leather, and an unsupporting skin.
This entry has not yet been fully updated (first published 1926; most recently modified version published online June 2019).