Where does “superunleaded” come from?

superunleaded (English) comes from English unleaded, from English leaded, from English lead, from Middle English leden, from Old English lēoden, from Old English -en, from Old Norse -inn, from Proto-Norse -īna- — adjectival suffix.

superunleaded (English): of unleaded petrol, that has a higher than normal...

Definitions

  1. of unleaded petrol, that has a higher than normal...

Ancestry of “superunleaded”, step by step

StepLanguageWordMeaning
1EnglishunleadedWithout lead; Containing no more than 0.05 grams...
2EnglishleadedHeld in place by strips of lead; Containing or...
3EnglishleadA heavy, pliable, inelastic metal element, having...
4Middle Englishledento lead; to carry, take, bring; to put, place,...
5Old Englishlēodennational or popular language; national language;...
6Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
7Old Norse-innUsed to create adjectives from nouns, meaning...
8Proto-Norse-īna-
9Proto-Germanic-īnaz-en
10Proto-Indo-European-iHnosCreates adjectives of materials
11Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no-Every word from Proto-Germanic -īnazEvery word from Old English -en