Where does “háttarökfræði” come from?

háttarökfræði (Icelandic) comes from Icelandic rökfræði, from Icelandic -fræði, from Icelandic fræði, from Old Norse frœði, from Proto-Germanic frōdį̄, from Proto-Germanic -į̄, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

háttarökfræði (Icelandic): modal logic

Definitions

  1. modal logic

Ancestry of “háttarökfræði”, step by step

háttarökfræði traces back through two separate lines of ancestry.

via Icelandic rökfræði

StepLanguageWordMeaning
1Icelandicrökfræðilogic
2Icelandic-fræði-logy
3Icelandicfræðiscience, studies; inflection of fræða: ##...
4Old Norsefrœði
5Proto-Germanicfrōdį̄wisdom, understanding
6Proto-Germanic-į̄-th
7Proto-Indo-European-íh₂
8Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via Icelandic háttur

StepLanguageWordMeaning
1Icelandichátturhabit, wont, custom; a kind, a type; way, manner
2Old Norseháttrhabit, wont, custom
3Proto-Germanichahtuzhabit, custom
4Proto-Germanichwahtuz
5Proto-Indo-Europeankʷóḱ-tu-s
6Proto-Indo-Europeankʷeḱ-to see; to look
Every word from Proto-Indo-European -h₂Every word from Proto-Germanic -į̄Every word from Proto-Germanic frōdį̄
háttarökfræði — Etymology, Origin & Word History | Etymology Explorer