Where does “leghallatlanabb” come from?

leghallatlanabb (Hungarian) comes from Hungarian hallatlanabb, from Hungarian hallatlan, from Hungarian hall, from German halle, from Middle High German halle, from Old High German halla, from Frankish hallu, from Finnish halu — to warm up, to be hot; to warm up, be hot.

Ancestry of “leghallatlanabb”, step by step

StepLanguageWordMeaning
1Hungarianhallatlanabb
2Hungarianhallatlanunheard-of, unprecedented, incredible, astounding, staggering
3Hungarianhallto hear; middle-sized, windowless room, entryway,...
4Germanhalleinflection of hallen: ## first-person singular...
5Middle High Germanhalle
6Old High Germanhalla
7Frankishhallularge room, hall; hall
8Finnishhaludesire; urge, itch
9Finnishhalatato hug, embrace; to want
10Proto-Germanichalōnąto call, appoint, summon; to fetch, get
11Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot
Every word from Proto-Indo-European ḱelh₁-Every word from Proto-Germanic halōnąEvery word from Finnish halata