a small piece or quantity; a bit: Not even a skerrick of cake was left.
Origin of skerrick
First recorded in 1930–35; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
US, Australian and NZ a small fragment or amount (esp in the phrase not a skerrick)
Word Origin for skerrick
C20: northern English dialect, probably of Scandinavian origin
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