Wiktionary
remainest
vb. (context archaic English) Second-person singular present simple form of '''remain'''
Usage examples of "remainest".
And no times are co-eternal with Thee, because Thou remainest for ever.
Dost thou not see how many qualities thou art immediately able to exhibit, in which there is no excuse of natural incapacity and unfitness, and yet thou still remainest voluntarily below the mark?