Is your dateaversary the anniversary of your first date (like us hence, meetaversary), or the anniversary of the date you officially became a couple?

The sororate was operative during the feudal period, at least among the feudal lords.

Every police officer and agent in New York City is gunning for you. If you come in now, I can guarantee your safety.

On a normal engineering/construction project, use of jobhours as the unit of time is common.