IPA: /ˈɒfərər/
KK: /ˈɔfərər/
A person or entity that proposes something to someone else, usually in the context of a deal or agreement.
The offeror presented a new contract to the client for review.
Offeror → It is formed from "offer" (from Latin "offerre", meaning to present or bring forth) and "-or" (meaning one who). An offeror is one who presents or brings forth an offer.
Think of someone who 'presents' ('offer') something — the '-or' indicates that this person is the one making the offer.