To bring a thing current — the change that keeps a record true to the present without discarding what it was. The most-spoken verb in the house's code, and the quiet promise inside it: what exists is tended, not replaced.
Joins up with date, from Latin datum (a given thing, from dare, to give), naming the bringing of a given record up to the present without discarding what it was.
The bringing of a thing current without discarding what it already was, the quiet promise that what exists here is tended rather than replaced.