legharness means leg armor. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
noun
- Leg armor.“Right legharness and sabaton of an armour made for Charles VI of France as Dauphin.[…]Right legharness and sabaton of an armour in the manner of Jörg Seusenhofer of Innsbruck, dated 1549.”