Peaceful Puzzle

12345678910
Across
  1. 6. derived from the Latin originates from the Latin introspicere, meaning "to look inward"
  2. 7. something you can only see in winter
  3. 8. "___ as a cucumber."
  4. 9. Opposite of shallow
Down
  1. 1. Stillness, ease, calm
  2. 2. "I need a breath of ___ air!"
  3. 3. main topic of Proverbs
  4. 4. a wooden crossbeam placed across the shoulders of two draft animals
  5. 5. homophone of peace
  6. 7. sky and sea have this in common
  7. 10. something we follow