Meaning

noun a vehicle carrying many passengers; used for public transport

noun the topology of a network whose components are connected by a busbar

noun an electrical conductor that makes a common connection between several circuits

originEtymology tree Proto-Indo-European *h₃ep-der. Proto-Italic *opnis Latin omnis Latin omnibuslbor. French omnibusbor. English omnibusclip. English bus Clipping of omnibus. Superseded earlier 'bus, where the apostrophe indicated a clipping. The shift in spelling likely reflects the fact that modern speakers no longer perceive this term as a clipping. The electrical sense is derived from figurative…

Etymology from Wiktionary, CC BY-SA 3.0