Where does “youthfully” come from?
youthfully (English) comes from English youthful, from English -ful, from Middle English -ful, from Old English -ful, from Proto-Germanic -fullaz, from Proto-Germanic fullaz, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.
youthfully (English): In a youthful manner
Ancestry of “youthfully”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | youthful | Young or seeming young; Characteristic of young... |
| 2 | English | -ful | Used to form adjectives from nouns. Full of,... |
| 3 | Middle English | -ful | Appended to nouns to form adjectives denoting... |
| 4 | Old English | -ful | full of; -ful |
| 5 | Proto-Germanic | -fullaz | -ful |
| 6 | Proto-Germanic | fullaz | full; the whole, the entire |
| 7 | Proto-Indo-European | pl̥h₁nós | full |
| 8 | Proto-Indo-European | pleh₁- | to fill |