proemptosis

English

Etymology

From New Latin proemptōsis, from Ancient Greek προ- (pro-, “before”) + ἔμπτωσις (émptōsis, “falling”).

Noun

proemptosis (plural not attested)

1. The addition of a day to the lunar calendar.

Related terms

• metemptosis

See also

• intercalation
• leap day

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “proemptosis”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)