Adducer

Part of speech: noun, verb

Definitions

1. A person or thing that leads or brings forth information or evidence in a discussion or argument
2. An individual who contributes or offers input in a conversation or debate
3. Someone who introduces or presents additional information to support a claim or theory

Etymology: "Adducer" is a plain formation: the verb "adduce" with the agent suffix "-er" added to name the person who does the adducing. "Adduce" itself comes from Latin "adducere," literally "to lead or bring to," built from "ad-" ("to") and "ducere" ("to lead"), so the core idea is bringing something forward into view. That sense of leading a fact or piece of evidence up to a point is what the word keeps today. The suffix has a longer road behind it. The "-er" ending descends from Latin "-arius," which described a person connected with a trade or role, and it reached English through Old English "-ere" and Old French "-ier." Its ancestry runs back through Proto-Italic and Proto-Germanic forms, but in English it simply attaches to verbs to name whoever performs the action. Because "adduce" was borrowed into English directly from Latin, the newer "-er" sits on a Latin stem with a Germanic ending, a combination that is common in English word-building.

Synonyms: mover, bringer

Antonyms: abductor