Henna is a DYE made from the leaves of the Lawsonia inermis plant, which is native to the Middle East and North Africa. It is used to create temporary tattoos and body art, as well as to DYE fabrics and hair. The crossword solutions for the term 'henna, e.g.' are 'DYE' (3 letters) and 'TINT' (4 letters). Both words refer to the coloring of something, and in this case, they are referring to the coloring of something with henna.