Thanks Jim

So it seems the com and Tika are right, and ekaayanvaaya.m is the
authentic reading of the samyutta tradition.

peace

Bhante Sujato

> I found that 'ekaayanvaaya.m' occurs in the Thai Budsir IV version
of
> the sutta and, furthermore, it occurs a total of 10 times in the
same
> Mahaavagga volume of the Sa.myuttanikaaya according to the search
> results (not counting the possibility of more in the peyyala
> sections). The PTS reading in the sutta also has 'ekaayano ayam'
but
> there is a footnote for a reading in a Burmese ms in Paris: -
nvaayam.
>
> The .tiikaa comments on the sandhi:
>
> 367. Ekaayanvaayanti sandhivasena vutta.m o-kaarassa va-kaara.m
> a-kaarassa diigha.m katvaa. Aya.m kira sa.myuttaabhilaapo, ...
>
> 'Aya.m kira sa.myuttaabhilaapo,' (?? this, it seems, is the
Sa.myutta
> wording) as if the commentator thought the sandhi-form unusual.
>
> Best wishes,
> Jim