Definition of "wast"

Take thou no scorn to wear the horn, It was a crest ere thou wast born […]

c. 1598–1600 (date written), William Shakespeare, “As You Like It”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene 2 (a hunting song)]

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Revelation 16:5:And I heard the angel of the waters say, Thou art righteous, O Lord, which art, and wast, and shalt be, because thou hast judged thus.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Genesis 3:11:And he said, Who told thee that thou wast naked? Hast thou eaten of the tree, whereof I commanded thee that thou shouldest not eat?

Alas! We two, we two, thou say'st!Yea, one wast thou with meThat once of old.

1850, Dante Gabriel Rossetti, The Blessed Damozel, lines 97–99