>I'd guess the idea is 'halfway to three' (from two). Rather than literally 'a half and a three'.
>
>ad.d.hateyya means 'two and a half'.
>ad.d.ha meas a half, teyya means three. How come the
>compound means two and a half? Could anyone of you
>show me the vigraha (in Pali) of it? Thank you in
>advance.^^