 (as km for 'concluding') The Rossini, Schumann-Antelme write-up states that initially the word comes from "shield", ikm, and thus the original association with the crocodile.Since the origin of the 'black' hieroglyph, and relationships to other forms showing vertical flame-like rises on the end of a flat-triangular shape, there has been discussion of this hieroglyph.As stated above, Schumann-Antelme and Rossini explain the crocodile skin, but with claws.