trappingly
advEtymology From trapping + -ly.
1
Rare So as to trap someone or something.
- Walls waited for him cunningly within the square blotch of darkness which the dormer's casement framed; if he passed himself within the casement the frame would enlarge into walls about him, trappingly, […]1906, Sir James Henry Yoxall, Beyond the Wall, page 11: