Below you can find the This third-largest french city was founded in 43 b.c. as lugdunum Jeopardy Words Answer. The answer to This third-largest french city was founded in 43 b.c. as lugdunum has 4 letters. This clue belongs to the French cities category and is part of Jeopardy Word Level 1147. If you scroll near the bottom you will find other clues and answers part of level 1147