mayst

Hear, O Israel, the commandments of life: give ear, that thou mayst learn wisdom.
The Bible, Douay-Rheims Version|Various
Nay, it behoveth thee get thee some means whereby thou mayst maintain thyself, O my son.
Alaeddin and the Enchanted Lamp|John Payne
Nay, methinketh even now thou hast somewhat with thee and art seeking him, so thou mayst sell it to him.
Alaeddin and the Enchanted Lamp|John Payne
Behind yon pine wood he built an altar unto thee and Odin, There thou mayst see the roof of his still dwelling.
The Death of Balder|Johannes Ewald

Or thou mayst pray the Undying King to have her thither to thee.
The Story of the Glittering Plain|William Morris

British Dictionary definitions for mayst

mayst

mayest

/ (meɪst) /

verb

archaic, or dialect (used with the pronoun thou or its relative equivalent) a singular form of the present tense of may 1

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012