φλοιός

Etymology
Formally, it belongs to together with. Semantically, the connection with is clear in. Frisk thinks that the rind may have received its name from its being rich in flesh and juice, as opposed to the wood underneath. However, it could also be from the same of, which is suggested for  too.

Noun

 * 1)  bark of trees, especially smooth bark
 * 2) husk or skin of certain fruits
 * 3) membrane enclosing the eggs of certain animals
 * 4) tissue from which spiders spin their webs
 * 5)  of superficial or useless coverings, redundancy

Etymology
Inherited from.

Noun

 * 1) bark
 * 2) peel
 * 3) husk
 * 4)  crust of the Earth
 * 5)  cortex