firstsort
nounUK /ˈfɜːst.sɔːt/
US /ˈfɝːst.sɔːrt/
The first sort means the very first group of things you put together.
She put the red blocks in the firstsort and the blue ones in the second.
OTHER MEANINGS
2. The act of sorting something for the first time.
The firstsort of the mail took all morning.
3. The best or top class of something.
These apples are the firstsort, so they go in the fancy box.
4. A first pick or first choice among options.
His firstsort was the swing, but he tried the slide too.