Terminology.

pj whatever the epistemology or accuracy

I think you mean etymology not epistemology, although you are kind of right with epistemology in a very broad sense !

pj
in the past its been known as 'fixed wheel' here, and 'fixed gear' over there. this is good enough for me, being a luddite.

+1

I really can't get too excited about whether someone uses the correct terminology** or not once the idea is conveyed with enough clarity.

*** except when using epistemology instead of etymology* ;)