n. See Arrish. [ 1913 Webster ]
adv. [ Orig. superlative of ere; AS. &aemacr_;rest. See Ere. ] [ Archaic ]
Tityrus, with whose style he had erst disclaimed all ambition to match his pastoral pipe. A. W. Ward. [ 1913 Webster ]
At erst,
Now at erst,
adv. Till then or now; heretofore; formerly. [ Archaic ]