Where does “legkifejezőbb” come from?

legkifejezőbb (Hungarian) comes from Hungarian kifejezőbb, from Hungarian kifejező, from Hungarian kifejez, from Hungarian fejez, from Hungarian -ez, from Hungarian -é-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “legkifejezőbb”, step by step

StepLanguageWordMeaning
1Hungariankifejezőbb
2Hungariankifejezőexpressive, eloquent
3Hungariankifejezto express (to convey meaning), to state
4Hungarianfejezto behead
5Hungarian-ezAppended to a noun to form a verb
6Hungarian-é-
7Hungarian-dyour; Used in the second-person singular definite...
8Middle Welsh-nt3rd person plural verb ending
Every word from Middle Welsh -ntEvery word from Hungarian -dEvery word from Hungarian -ez