Lane interrupted, "Dad, what does portable mean?"
Mr. Edwards started to reply, "Well, Lane--"
"Wait!" I interjected. Then I turned to Hope and Sydney.
"Girls! Tell everyone what the Latin word porto means."
In the rote fashion that characterizes the grammar stage they both answered in unison, "Porto. I carry."
I looked over at Lane. "So what do you think that portable means?"
"Something that you can carry?"
And that is why we study Latin!
(It also demonstrates the value of much-maligned rote learning.)