Definition of "amort"

How fares my Kate? What, sweeting, all amort?

c. 1590–1592 (date written), William Shakespeare, “The Taming of the Shrew”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene iii]

How nowe fellowe Franticke, what all a mort? Doth this sadnes become thy madnes?

c. 1590 (date written), G[eorge] P[eele], The Old Wiues Tale. […], London: […] Iohn Danter, for Raph Hancocke, and Iohn Hardie, […], published 1595, [lines 3-5]

What, all amort, Signior, no Courage left?

1737, Susanna Centlivre, The Perjur’d Husband‎, London: W. Feales, act IV, scene 2, page 56

The hallow'd hour was near at hand: she sighs / Amid the timbrels, and the throng'd resort / Of whisperers in anger, or in sport; / 'Mid looks of love, defiance, hate, and scorn, / Hoodwink'd with faery fancy; all amort, / Save to St. Agnes and her lambs unshorn, / And all the bliss to be before to-morrow morn.

1819, John Keats, “The Eve of St. Agnes”, in Lamia, Isabella, the Eve of St. Agnes, and Other Poems, London: […] [Thomas Davison] for Taylor and Hessey, […], published 1820, stanza VIII, page 87

Here repose houris, dreamlike fair;Eyes half amort by amorous care;Marvels of flesh, wonders of hair!

1890, Francis Saltus Saltus, “The Harem”, in Shadows and Ideals‎, Buffalo: Charles Wells Moulton, page 338