May 
(mā)
(mā)n.
1. The fifth month of the year in the Gregorian calendar. See Table at calendar.
2. The springtime of life; youth.
3. The celebration of May Day.
[Middle English, from Old French mai, May, and Latin Māius (mēnsis), (the month) of Maia (Old French, from Latin), from Māia, an Italic goddess; see meg- in the Appendix of Indo-European roots.]