an unknown
Or, a tongue; and so in (1 Corinthians 14:4); (1 Corinthians 14:13); (1 Corinthians 14:14); (1 Corinthians 14:19); (1 Corinthians 14:27).
Related Commentaries of 1 Corinthians 14:2
1 Corinthians 14:2
2 For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandetha him; howbeit in the spirit he speaketh mysteries.