IPA: /əˈbriːviˌeɪtə/
KK: /əˈbrivēˌāter/
A person or thing that shortens words or phrases by using fewer letters or symbols. This can also refer to someone who creates brief summaries of longer texts.
The abbreviator condensed the lengthy report into a summary.
Abbreviator → It is formed from "abbreviate" (from Latin "abbreviare", meaning to shorten) and "-or" (meaning one who). An abbreviator is one who shortens something, typically text.
Think of someone who 'shortens' ('abbreviare') something — that's what an abbreviator does.
No commonly confused words.