4d Colloquial word for 2d (answer biorhythm). I know the answer is TUPPENCE as its the only word that fits but could someone explain why and where it comes from. Can't find it in any dictionary.
I think I am being a bit thick but still can't see the connection.
2d Periodic change in behaviour of animals (9) answer is BIORHYTHM
4d Colloquial word for 2d (8) answer is TUPPENCE