Where does “theine” come from?
theine (English) comes from French théine, from French -ine, from French -é, from Middle French -é, from Old French -é, from Latin -a, from Proto-Italic -ā, from Proto-Indo-European -éh₂.
theine (English): Caffeine when present in tea
Definitions
- Caffeine when present in tea
Ancestry of “theine”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | théine | theine |
| 2 | French | -ine | feminine singular of -in; female equivalent of... |
| 3 | French | -é | past participle root verb suffix of regular -er... |
| 4 | Middle French | -é | past participle root verb suffix of regular; -ed, -en, -n |
| 5 | Old French | -é | used to form past participles of regular -er... |
| 6 | Latin | -a | suffixed to the roots of verbs, forms agent... |
| 7 | Proto-Italic | -ā | Forms masculine agent nouns from prefixed or compounded bases |
| 8 | Proto-Indo-European | -éh₂ | — |