Tincture of Propolis
Following my earlier experiments, there it is, bottled.
It developed a bitterness, and tastes appropriately medicinal.
I had thought that the jug I used to make it would follow the one-way path that various other items have taken from kitchen to beekeeping kit, but it cleaned up well.
P.S. The keen-eyed will have noticed a beehive in each photograph of the tincture.