cloakwise
/ˈkloʊkwɪz/Definitions
1. adverb
in a way that is secretive or stealthy, especially in a manner that is characteristic of the supernatural or magical
“The wizard moved cloakwise through the forest to avoid detection.”
2. noun
a way of moving or acting that is secretive or stealthy
“The cloakwise of the assassin was legendary.”