also MARCIABLE, MERCIABIL, MERCIABILL, MERCIABUL,
MERCYABIL, MERCYABLE, MERCYABYL
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Pronunciation of MERCIABLE
Old French merciable, from merci
a 1225 - Ancren Riwle;
see Example below
From: The Ancren Riwle;
A Treatise on the Rules and Duties of Monastic Life
Edited and Translated from a Semi-Saxon MS. of the Thirteenth Century.
By James Morton.
Printed for the Camden Society, 1853