A condition in which there is only one finger or toe on each hand or foot.
Late 19th century: from monodactyl (from Greek monodaktulos ‘one-fingered’) + -y.
“Though horses are mondactyl creatures, researchers think they once had many toes.”
A conference or meeting to discuss a particular subject./ A collection of essays or papers on a particular subject by a number of contributors.
Late 16th century (denoting a drinking party): via Latin from Greek sumposion, from sumpotēs ‘fellow drinker’, from sun- ‘together’ + potēs ‘drinker’.