Where does “áthatolhatatlanabb” come from?

áthatolhatatlanabb (Hungarian) comes from Hungarian áthatolhatatlan, from Hungarian -hatatlan, from Hungarian -hat, from Hungarian hát, from Proto-Uralic kutte — ridge; six.

Ancestry of “áthatolhatatlanabb”, step by step

StepLanguageWordMeaning
1Hungarianáthatolhatatlanimpassable, impervious, impenetrable, impermeable
2Hungarian-hatatlanun-... -able, ir-... -able
3Hungarian-hatcan, could, may, might, be allowed to. Added to...
4Hungarianhátback; well; then, and, but
5Proto-Uralickutteridge; six

Words derived from “áthatolhatatlanabb

Every word from Proto-Uralic kutteEvery word from Hungarian hátEvery word from Hungarian -hat