Enter a clue or pattern or both:
The Clue
Inventory system, for short (4 letter answer)
The Answer
FIFO
Tags
Notes
The answer FIFO is so rare that it appears less than once every 2500 puzzles.
Related Clues
Inventory abbr.
Bookkeeper's inventory method, for short
Definition
FIFO as a noun:
1. (first in first out, FIFO) = inventory accounting in which the oldest items (those first acquired) are assumed to be the first sold