As a Noun: 1. The calendar week before the week of speaking. English = last week, one week ago. 2. The calendar week before an already specified week in the past. English = the week before that, the previous week. As Modifier: 1. Used at the beginning or end of a sentence or immediately next to a verb to mean the action took place the week before the week of speaking. English = last week, one week ago. 2. Used at the beginning or end of a sentence or immediately next to a verb to mean the action took place the week before an already specified week in the past. English = the previous week, one week before that. Note: 1. Handshapes for the numbers 2, 3 or 4 can be incorporated into this sign to express "two weeks ago" and so on.