Strong's Greek #2872
κεκοπίακα

Englishman's Concordance (References)

κεκοπίακα kekopiaka — 1 Occurrence

Galatians 4:11 - V-RIA-1S
GRK:πως εἰκῇ κεκοπίακα εἰς ὑμᾶς
NAS: for you, that perhaps I have labored over
KJV: upon you labour in vain.
INT: perhaps in vain I have toiled as to you