bucolismn.
Etymology: < bucol- (in bucolic adj. and n.) + -ism suffix.Previous versions of the OED give the stress as: ˈbucolism.
1830 H. N. Coleridge 7 The lowest ‘bucolisms’ of Theocritus.
This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2019).