re: #280 gmsc
It also works with “expert”. It’s pronounced “x-spurt”. What is x? In algebra, it refers to the unknown. What is a spurt? It’s a drip of water under pressure.
Therefore, an “expert” is “an unknown drip, under pressure.”
You screwed it up, Amigo! It’s ex, meaning former/previous; ‘a former drip under pressure’………….