Let's say I am looking for X, and I ask my friend for it. He says pointing at the cupboard
It is at the shelf down below in the cupboard.
It is at the bottom shelf in the cupboard.
Do down below and bottom mean the same thing?
Word Usage – Does ‘Down Below’ Mean the Same as ‘Bottom’?
word-usage
Best Answer
The two sentences offered in your question aren't idiomatic American English (we don't say at the shelf but on the shelf), but they both mean approximately the same thing:
Down below and bottom don't mean the same thing, but the share the meaning of "in the lower part of" something.
The meaning depends on context. For example, if you're on a ship, down below means inside the belly of the ship and below the main deck (maybe in the engine room or the galley, a ship's kitchen and eating area). If you're looking for a book in a stack of 50 books on a desk in front of you, "on the bottom" means that the book you're looking for is probably one of the last 10 on the bottom of the stack rather than one of the first 10 on the top of the stack or one of the middle 30.