Where does “leghatályosabb” come from?

leghatályosabb (Hungarian) comes from Hungarian hatályosabb, from Hungarian hatályos, from Hungarian hatály, from Hungarian hát, from Proto-Uralic kutte — ridge; six.

Ancestry of “leghatályosabb”, step by step

StepLanguageWordMeaning
1Hungarianhatályosabb
2Hungarianhatályoseffective, operative, valid, of legal force
3Hungarianhatályeffect, power, force
4Hungarianhátback; well; then, and, but
5Proto-Uralickutteridge; six
Every word from Proto-Uralic kutteEvery word from Hungarian hátEvery word from Hungarian hatály