a diminutive suffix of nouns: lambkin.
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Origin of -kin
Middle English < Middle Dutch, Middle Low German -ken; cognate with German -chen
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British Dictionary definitions for -kin
suffix forming nouns
Word Origin for -kin
from Middle Dutch, of West Germanic origin; compare German -chen
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012