ilenga = castle (noun) (some things Google found for "ilenga": a rare term; places in the Congo; Xa-ilenga is a place Angola; a first name, notably European football player Ilenga Penga; song "Mama Yai Ilenga" by Mwa Lete of Zaire)
Word derivation for "castle" :
Basque = gaztelu, Finnish = linna
Miresua = ilenga
This Miresua conlang word has been changed. The word for castle is now litalu.