Found 2 items, similar to erst.
English → English (WordNet) Definition: erst erst adv : at a previous time; “once he loved her”; “her erstwhile writing” [syn: once, formerly, at one time, erstwhile]
English → English (gcide) Definition: Erst Erst \Erst\ ([~e]rst), adv. [Orig. superlative of ere; AS. [=ae]rest. See Ere.] [Archaic] 1. First. --Chaucer. [1913 Webster] 2. Previously; before; formerly; heretofore. --Chaucer. [1913 Webster] Tityrus, with whose style he had erst disclaimed all ambition to match his pastoral pipe. --A. W. Ward. [1913 Webster] At erst, at first; at the beginning. Now at erst, at this present time. --Chaucer. [1913 Webster]