frotheryn.
Etymology: < froth n. + -ery suffix.Previous versions of the OED give the stress as: ˈfrothery.
1851 T. Carlyle Jrnl. 21 Apr. in J. A. Froude (1884) II. xix. 79 ‘All nations’ crowding to us with their so-called industry or ostentatious frothery.
This entry has not yet been fully updated (first published 1898; most recently modified version published online September 2019).