Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
tĕgĕtĭcŭla, ae, f. dim. [tego], a little mat: tegeticulae cannabinae, Varr. R. R. 3, 8, 2; 2, 11, 8; Col. 8, 9, 3; Mart. 9, 93, 3.