The name fuscum is derived from the Latin word for the species of moss,
Sphagnum fuscum, also called rusty peat moss.
The name is a nod to the original MOSS system and the fact that this is a Rust implementation of it.
Saul Schleimer, Daniel S. Wilkerson, and Alex Aiken. 2003. Winnowing: local algorithms for document fingerprinting. In Proceedings of the 2003 ACM SIGMOD international conference on Management of data (SIGMOD '03). Association for Computing Machinery, New York, NY, USA, 76–85. https://doi.org/10.1145/872757.872770