fruit

Dictionary of Biblical Words:

is not in itself eternal life, but is the sign and proof of it to others, not to myself or to God. Fruit is only produced by abiding in Christ (see BRANCHES). If a, person outwardly attached himself to Christ by profession as a branch, and yet produced no fruit, we should not be entitled to consider him a Christian (see John 20 and James 2).

Strong’s Dictionary of Greek Words:

Greek:
καρπός
Transliteration:
karpos
Phonic:
kar-pos’
Meaning:
probably from the base of 726; fruit (as plucked), literally or figuratively
KJV Usage:
fruit