α. 1800s shilty (Irish English (northern)), 1800s– sheltie, 1800s– shelty, 1800s– shiltie (Irish English (northern)); Scottish pre-1700 shalte, pre-1700 1700s scheltie, pre-1700 1700s– shaltie, pre-1700 1700s– shelty, 1700s shealty, 1700s– sheltie, 1800s shalty, 1800s shawltie, 1900s– sholtie.
β. Scottish (in sense 1) 1700s– shalt, 1800s shawlt, 1800s shilt, 1800s sholt, 1800s– shelt, 1800s– shault, 1900s– shult.