An aftergrowth of grass (or other plants) which grows after it has been mowed; also, a field of such growth.
Uncertain; but probably from Middle English eddish (found often in compounds: e.g. eddish-hen (“eddish-hen, quail”)), ultimately from Old English edisc (“an eddish or aftermath; pasture; enclosed pasture, park”), equivalent to ed- + -ish.
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