ides
noun/aɪdz/
/aɪdz/
[plural]- the middle day of the month in the ancient Roman system, from which other days were calculated
月中日（古罗马历每月居中的一天） - the ides of March
3 月 15 日
Word Originlate Old English: from Old French, from Latin idus (plural), of unknown origin. - the ides of March