Extended Strong's Greek Lexicon (Abbott-Smith based)
burden
Usage: φορτίον, -ου, τό (dimin. of φόρτος), [in LXX chiefly for מַשָּׂא ;] a burden, load: of the cargo of a ship (Hdt., al.), Act.27:10; metaphorically, Mat.11:30 23:4, Luk.11:46, Gal.6:5.† SYN.: βάρος (which see), ὄγκος (AS)