Eng., "air," signifies "the atmosphere," certainly in five of the seven occurrences, Acts 22:23; 1—Corinthians 9:26; 14:9; Revelation 9:2; 16:17 , and almost certainly in the other two, Ephesians 2:2; 1—Thessalonians 4:17 .
denotes "the heaven." The RV always renders it "heaven." The AV translates it "air" in Matthew 8:20 . In the phrase "the fowls (or birds) of the heaven" the AV always has "air;" "sky" in Matthew 16:2,3; Luke 12:56; in all other instances "heaven." The word is probably derived from a root meaning to cover or encompass. See HEAVEN , SKY.
With over 3,400 entries, this timeless classic is THE reference guide to New Testament Greek words for English readers. It explains the meaning of the original Greek with the added dimension of the context of the Greek word.Wikipedia
Read More