OpenEtymology

whatever

UKwɒtˈevə(r)USwətˈevər

Meaning

1pron

used to say that it does not matter what happens, what one does, etc., because it will not make any difference

2det

any or all of the things that may happen or exist

3adv

used to show that you do not care what happens or that you are not interested in what someone is saying (informal)

4interj

used to show that you do not care about or agree with what someone has just said (informal)

Structure

word structure
1
what
that which
+
2
ever
always, at any time

Usage

Choose whatever you like from the menu.

He has whatever tools are necessary for the job.

"I think you're making a mistake." "Whatever."

Etymology

The word "whatever" is a straightforward compound formed in Middle English from the interrogative pronoun "what" and the adverb "ever". The combination creates a universalizing or indefinite pronoun, literally meaning "anything that ever (exists or happens)". This literal sense of "anything at all" evolved into its primary modern function as a pronoun meaning "no matter what", emphasizing indifference or inclusiveness. Its later development into a determiner, dismissive adverb, and interjection represents a semantic extension where the core idea of unrestricted choice or irrelevance is applied to different grammatical contexts and conversational tones, particularly in informal speech.

Analysis

Structure
what + ever=whatthat which+everalways, at any time

- what: From Old English hwæt, a neuter interrogative pronoun. In this compound, it functions as the core nominal element meaning "that which" or "anything that". - ever: From Old English ǣfre, meaning "always, at any time". In this compound, it functions as an intensifier and generalizer, extending the scope of "what" to mean "any at all" or "no matter what".

Whatever Meaning & Word Parts (what + ever) | OpenEtymology