Where does “highly” come from?

Highly comes from Middle English hiȝly, from Old English hēalīce, originally meaning "in a lofty or elevated manner."

highly (English): In a high or esteemed manner; Extremely; greatly;...

Definitions

  1. In a high or esteemed manner; Extremely; greatly;...

Ancestry of “highly”, step by step

StepLanguageWordMeaning
1Middle Englishhiȝly
2Old Englishhēalīcehighly
3Old English-līċely (adverbial suffix)
4Old English-eforming adverbs from adjectives; -ly
5Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
6Old Norse-innUsed to create adjectives from nouns, meaning...
7Proto-Norse-īna-
8Proto-Germanic-īnaz-en
9Proto-Indo-European-iHnosCreates adjectives of materials
10Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no-Every word from Proto-Germanic -īnazEvery word from Old English -en
highly — Etymology, Origin & Word History | Etymology Explorer