Illustrated Companion to the Latin Dictionary/Vibia
This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich.
VIB'IA. The cross-bar or plank laid across the forked uprights (varae) which form a jack or trestle for mechanics to stand or work upon; whence the adage, Vibia varam sequitur (Auson. Idyll. 12.), the plank falls with its props, is interpreted to mean "One error follows another."