mesmero-comb. form
Origin: Formed within English, by derivation. Etymons: mesmerism n., -o- connective.
Etymology: < mesmer- (in mesmerism n.) + -o- connective.Apparently found only in 1840s in mesmero-phrenology n., mesmero-mania n.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online June 2020).