[object Object] ⌁ The Anglish Wiki

nub

noun

1.

a small lump or protuberance

Derived from:

2.

a small piece

3.

the choicest or most essential or most vital part of some idea or experience

colk hirnstone inmost innermost kernling center centre core essence gist heart heart and soul inwardness kernel marrow meat nitty-gritty pith substance sum