IPA: //sʌbˈɛdɪtə//
KK: /sʌbˈɛdɪtər/
A person who assists the main editor in preparing content for publication, often focusing on specific sections of a newspaper or magazine.
The subeditor checked the articles for grammar and clarity before they were printed.
Subeditor → It is formed from "sub-" (meaning under or below) and "editor" (from Latin "editus", meaning to bring forth or produce). The word "subeditor" refers to a person who works under the main editor, assisting in the editing process.
Think of someone working 'under' ('sub-') the main 'editor' — that's why a subeditor is someone who assists the editor.