From moonlitpriestess.com
Blessed be:
phrase generally indicating blessings upon a person, object, etc. (example “blessed by thy feet’); frequently used at the end of prayers and the like similarly to “amen” from Christian-based practices. Some Wiccans and Pagans report using the phrase as a greeting or parting. (see also Merry Meet and Merry Part)
Witches Of The Craft® 