"to be weary, to labor," is rendered "to toil" in Matthew 6:28; Luke 5:5 ( Luke 12:27 , in some mss.); in 1 Corinthians 4:12 , RV (AV, "we labor"). See LABOR.

A — 2: βασανίζω

(Strong's #928 — Verb — basanizo — bas-an-id'-zo )

primarily, "to rub on the touchstone, to put to the test," then, "to examine by torture" (basanos, "touchstone, torment"), hence denotes "to torture, torment, distress;" in the Passive Voice it is rendered "toiling" in Mark 6:48 , AV (RV, "distressed"). See PAIN , TORMENT , VEX.

B — 1: κόπος

(Strong's #2873 — Noun Masculine — kopos — kop'-os )

"labor, trouble," is rendered "toil" in Revelation 2:2 , RV (AV, "labor"). See LABOR.

Bibliography Information
Vines, W. E., M. A. Entry for 'Toil'. Vine's Expository Dictionary of NT Words. https://www.studylight.org/dictionaries/eng/ved/t/toil.html. 1940.

Bible Dictionaries Toil

Vine's Expository Dictionary of NT Words

Bible Dictionaries
Toil