Submitted by György Chityil ... on Fri, 01/19/2018 - 23:58 Hierarchy: VerbDescription: {{obsolete}} To prolong or extend. {{defdate|15th-18th c.}}Ngram: prorogueNgram Text: prorogueSource: WiktionaryIssue: 0Wiktionary tag: 15th-18th c.Ngram Count: 1