Where does “carefully” come from?

Carefully derives from Old English carfullīċe, an adverbial form of carful meaning anxious or concerned.

carefully (English): Sorrowfully; With care; attentively,...

Definitions

  1. Sorrowfully; With care; attentively,...

Ancestry of “carefully”, step by step

carefully traces back through two separate lines of ancestry.

via Middle English carfulli

StepLanguageWordMeaning
1Middle Englishcarfulli
2Old Englishcarfullīċecarefully, diligently
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

via English careful

StepLanguageWordMeaning
1EnglishcarefulTaking care; attentive to potential danger, error...
2English-fulUsed to form adjectives from nouns. Full of,...
3Middle English-fulAppended to nouns to form adjectives denoting...
4Old English-fulfull of; -ful
5Proto-Germanic-fullaz-ful
6Proto-Germanicfullazfull; the whole, the entire
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill
Every word from Proto-Indo-European -no-