Strong's #1509: ei me (pronounced i may)

from 1508 and the neuter of 5100; if not somewhat:--except.

Thayer's Greek Lexicon:

̓ ́

ei mē ti

1) unless indeed, except, unless perhaps

Part of Speech: conjunction

Relation: from G1508 and the neuter of G5100

Usage:

This word is used 3 times:

 

Luke 9:13: "and two fishes; except we should go and buy meat"
1 Corinthians 7:5: "Defraud ye not one the other, except it be with consent for"
2 Corinthians 13:5: "is in you, except ye be reprobates?"