English omnibus

← French omnibus (derived)

← Proto-Indo-European *h₃ep- (root)

← Proto-Indo-European *h₃ep-ni- (derived)

← Proto-Indo-European *h₃ep- (mention)

← Proto-Indo-European *h₁op- (mention)

← Latin omnibus (derived)

← Latin omnis (mention)

→ English bus (clipping)

→ English minibus (link)

→ English omnibusman (suffix)

→ Ido omnibuso (borrowed)

→ Japanese オムニバス (borrowed)