1) Aforetime 2) Ago, long ago 3) Archaic adverb 4) Archaic attachment to while 5) Archaic before 6) Archaic formerly 7) Archaic once 8) Archaic prefix for while 9) At a previous time 10) At first, at first 11) At first, formerly 12) At first, once 13) At one time 14) At one time in the past 15) At one time, at one time 1) Formerly 2) Whilom 
• (adv.) Previously; before; formerly; heretofore. • (adv.) First.
Erst (ẽrst) adverb [ Orig. superlative of ere ; Anglo-Saxon ǣrest . See Ere .] [ Archaic] 1. First. Chaucer. 2. Previously; before; formerly; heretofore. Chaucer. « Tityrus, with whose style he had erst disclaimed all a...
Erst is the collective noun for a group of bees.
before the present time; formerly.