'colmaggio'....... Congratulations on your solve, yes indeed we were looking for 'pi'. I made a type of cryptic clue including the sound like 9 for the German 'no'. 3.14159 and the etc. for the remaining numbers for pi. 'colmaggio your 8th Challenge solve Honorary Gold Medal is on it's way :o)
John C. Mather
3.”1415” Nein etc