Extended Strong's Greek Lexicon (Abbott-Smith based)
travail
Usage: πόνος, -ου, ὁ [in LXX for עָמָל, etc. ;] __1. labour, toil: Col.4:13 __2. The consequence of toil, distress, suffering, pain (Xen., al., LXX): Rev.16:10-11 21:4.† SYN.: see: κόπος (AS)