What is a geographical similarity between Cambridge University and Oxford University related to their 'titles'?
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Etymonline's Cambridge entry says
Old English Grontabricc (c.745) “Bridge on the River Granta” (a Celtic river name, of obscure origin). The change to Cante- and later Cam- was due to Norman influence. The river name Cam is a back-formation in this case, but Cam also was a legitimate Celtic river name, meaning “crooked.”
Etymonline's Oxford entry says
university town in England, Middle English Oxforde, from Old English Oxnaforda (10c.) literally “where the oxen ford.” In reference to a type of shoe laced over the instep, it is attested from 1721 (Oxford-cut shoes). Related: Oxfordian; Oxfordish; Oxfordist; Oxfordy.
The Cambridge/Oxford river-crossing coincidence is fairly minor, but see ELU's OxFORD and CamBRIDGE for more discussion of it.
A slightly deeper coincidence is that between Oxford and Bosphorus:
The Greek name Βόσπορος (Bosporos) was folk-etymologized as from βοὸς πόρος, i.e. “cattle strait” (or “Ox-ford”), from the genitive of bous βοῦς “ox, cattle” + poros πόρος “passage”, thus “cattle-passage”, or “cow passage” in reference to Io from Greek mythology who was transformed into a cow and condemned to wander the earth until she crossed the Bosporus where she met Prometheus.... [wikipedia]
A bridge goes over a river and you ford a river?