I found "tuple" to be an odd word, when I first came across it. Eventually I figured out it is a generalisation of "couple", "triple", "quadruple", etc. It's

I found "tuple" to be an odd word, when I first came across it. Eventually I figured out it is a generalisation of "couple", "triple", "quadruple", etc. It's one of those things, but we don't want to say the number. (I just tried googling it, and the definitions I get are very maths-y and hard to understand)