Ah, truly, truly,
Pitchwife. It didn't occur to me. Thank you. (I was probably stemming from the fact that in the translation to my mothertongue, the "Twofoot" is really translated in the sense "Two-legs", so I haven't thought of the other possible interpretation.)
But still, I am not that hasty in accepting this possibility. After all, is there any definite proof in the books that the Hobbits really had usually just
two legs?