Etymology tree
English vent
Proto-Indo-European *-yósder.
Proto-Italic *-āzios
Latin -āriusnom.
Latin -āriusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Middle English -ere
English -er
English venter
From vent + -er.
Meanings
One who vents, who is vocal about feelings or problems.
Venters suffer interpersonally as others avoid their outburst, they become isolated and alone which may result in more venting. 2006, David Laton, Developing Positive Workplace Skills and Attitudes, →ISBN, page 72: