Never underestimate how pretentious and self-satisfied the British
educated and leisured classes were in the past - they used Latin tags as
a kind of code or telegraphese to signal their status and learning to
each other, like peacocks fanning their gaudy tails. Cutting out words
as if Latin could be communicated in shorthand or virtually by ESP was
their favourite method of excluding the unwashed and unlettered, who of
course did all the work and brought most of the initiative to the
industrial revolution.
Peter Stewart