Definition of "marish"

Thenne sir Tristram departed / and in euery place he asked & demaunded after sir Launcelot / but in no place he coude not here of hym whether he were dede or on lyue / […] / Soo syr Tristram rode by a forest and then̄e was he ware of a fayre toure by a mareyse on that one syde / and on that other syde a fayr medowe(please add an English translation of this quotation)

1485, Sir Thomas Malory, “primum”, in Le Morte Darthur, book X

The Cherubim descended; on the ground / Gliding meteorous, as evening-mist / Risen from a river o'er the marish glides, / And gathers ground fast at the labourer's heel / Homeward returning.

1667, John Milton, “Book XII”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,

And the silvery marish flowers that throng / The desolate creeks and pools among,

1830, Alfred Tennyson, “The Dying Swan”, in Poems, Chiefly Lyrical

after the manner of Cards or Maps, the utmost limits of knowne Countries, are set downe to be full of thicke marrish grounds, shady forrests, desart and uncouth places.

1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […]

At the first outset, heavy, miry ground and a matted, marish vegetation greatly delayed our progress; […]

1881–1882, Robert Louis Stevenson, Treasure Island, London, Paris: Cassell & Company, published 14 November 1883