Originally Posted By: doug747
I guess I am too dumb to get it


Ah, don't beat yourself up. Just open a dictionary. My favorite is dictionary.com

I was not aware of Beeson's unique word either:

Word Origin & History

arse
"buttocks," O.E. ærs "tail, rump," from P.Gmc. *arsoz (cf. O.N. ars, M.Du. ærs, Ger. Arsch "buttock"), cognate with Gk. orros "tail, rump, base of the spine," Hittite arrash, Arm. or "buttock," O.Ir. err "tail." Arse-hole first attested c.1400 as arce-hoole. Arsy-versy "backside foremost" first attested 1539.
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source

D. Dean Welsh, Junction City
***Dean plays well with others!!! ;-)