Hallow \HAL-oh\ , verb;
1. To make holy; sanctify; consecrate
1. To shout or chase with cries of "hallo!"
According to Etymonline.com:
This word comes from Old English halgian ("to make holy, to honor as holy") which is related to halig ("holy"). Halig comes from Proto-Germanic *khailig which is also related to the modern English word health.
This word should have been last month, don't you think? Around Halloween perhaps?
*Today's word and the first definition were both taken from Dictionary.com's 'Word of the Day' for Friday, November 19