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 ==Possibly False Etymology== 

 I believe the explanation of the Greek word 'histemi' as literally meaning 'to stand equally' is incorrect. I think that a physiologist did this using a dictionary nad was mislead by the is- part in ""istemi"" [sic], as isos means equal in Greek. However, it's ""histemi"", not ""istemi"", and it's the basic Greek word for ""to stand"", ""to put"". I will correct all of this now."