增刊

增刊	zēng kān	additional publication / supplement (to a newspaper)
增	zēng	(bound form) to increase; to augment; to add to
刊	kān	to print / to publish / publication / periodical / to peel with a knife / to carve / to amend
刊	kān	old variant of 刊 / to peel with a knife / to carve / to amend