Althans - At least The conjunctional adverb althans explains, in that it gives a further specification. The following example is adapted from the Algemene Nederlandse Spraakkunst , section 26·2·2·1:
Er was een cliënt die hem wou spreken, of althans iemand die zeer geïnteresseerd leek.
There was a customer who wanted to talk to him, or at least someone who seemed very interested.