• 逸脱いつだつ — deviation; straying from a norm
• 逸話いつわ — anecdote; personal story
• 逸品いっぴん — an exceptional item; masterpiece
• 逸するいっする — to miss; to lose a chance
• 逸材いつざい — outstanding talent; gifted person
• 逸興いっきょう — momentary excitement; sudden enthusiasm
• 逸脱行為いつだつこうい — deviant or inappropriate behavior

The character shows movement along a path — but slightly off to the side. From that idea of “straying from the road,” it came to mean **to diverge, to escape, or to be exceptional**.