Strong's Greek #2756
κενὸς

Englishman's Concordance (References)

κενὸς kenos — 1 Occurrence

1 Corinthians 15:58 - Adj-NMS
GRK:οὐκ ἔστιν κενὸς ἐν κυρίῳ
NAS: that your toil is not [in] vain in the Lord.
KJV: is not in vain in the Lord.
INT: not is void in [the] Lord