"Ferro" is inspired by: Scientific Roots 1. Ferrum: Latin for iron, reflecting Rust's iron/oxidation themes. 2. Ferro-: Greek prefix meaning iron or iron-containing. Relevant Connections 1. Ferrocene: An iron-containing compound. 2. Ferroelectric: Materials exhibiting iron-like electrical properties. Simple, Modern Sound "Ferro" is concise, memorable and has a technical feel, fitting for a Rust CLI tool.