distant, far away
逷 centers on physical or metaphorical distance: something far away or remote.
逷 combines the movement radical 辶 with 易, which likely contributes the sound and may relate to change or ease, but the exact historical development of this character is uncertain.
The movement radical 辶 suggests going far, and the inner 易 looks like a distant sun 日 over a winding path 勿. Imagine walking a long road until the sun is a tiny dot: that's how far away 逷 means.
For ケキ, imagine a distant mountain peak that looks like a tiny cake: cake-y -> ケキ. The faraway peak is so small it could be a crumb.