can anyone give me a three letter word for the meaning of Pi...Sigma

[kodeshi]

can anyone give me a three letter word for the meaning of Pi...Sigma

Also

what is a less than average cricket delivery.

Thank you so much in advance

[Zeuhl]

might be better response in Q&P rather than History

[factor-fiction]

I think you are looking for Rho.

[factor-fiction]

It doesn't mean Pi and Sigma. I think it comes between Pi and Sigma in the Greek alphabet.

[Ellipsis]

A long hop is a less than average cricket delivery.

[Old_Geezer]

And I thought you were just aking the PiSigma

[factor-fiction]

wide?
How many letters please?

[factor-fiction]

These are clues from the last Lovatt's Baffler crossword. For crossword clues it's useful to have details of the number of letters and details of any you have placed