G3449–μόχθος–mochthos

in labour and toil, in watchings often, in hunger and thirst, in fastings often, in cold and nakedness.

μόχθῳ, mochthō “toil,”

For ye remember, brethren, our labour and toil: working night and day, not to be chargeable to any one of you, we have preached to you the glad tidings of God.

μόχθον· mochthon “hardship:”

nor have we eaten bread from any one without cost; but in toil and hardship working night and day not to be chargeable to any one of you:

μόχθῳ mochthō “hardship”