Where does “fully” come from?

Fully comes from Old English fullīċe, the adverbial form of full meaning "completely or entirely."

fully (English): In a full manner; without lack or defect; In a...

Definitions

  1. In a full manner; without lack or defect; In a...

Ancestry of “fully”, step by step

StepLanguageWordMeaning
1Middle EnglishfullyPlentifully, abundantly; without lack
2Old Englishfullīċefully
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-