Go Outside to Breathe Some of This
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2170, Puzzle 5 (Sapphire and Diamond).
Question is: Go Outside to Breathe Some of This
and the answer is: FRESHAIR
Word Meaning:
FRESH AIR — The natural, clean air from outside, as opposed to the relatively stuffy air inside.
Definitions from Wiktionary.