Where does “lactose-free” come from?
lactose-free (English) comes from English Free, from English faller, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti — he, she.
lactose-free (English): Not containing lactose. (Usually applied to foods made with milk but with the lactose thereof catabolized enzymatically.)
Definitions
- Not containing lactose. (Usually applied to foods made with milk but with the lactose thereof catabolized enzymatically.)
Ancestry of “lactose-free”, step by step
lactose-free traces back through two separate lines of ancestry.
via English Free
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Free | Unconstrained |
| 2 | English | faller | One who falls; A fruit that falls from the tree,... |
| 3 | English | -er | A person or thing that does an action indicated... |
| 4 | Middle English | -er | agentive suffix; agent noun suffix |
| 5 | Old French | -er | Alternative form of -ier, verbal suffix;... |
| 6 | Latin | -āre | first conjugation |
| 7 | Proto-Italic | -āō | Forms primarily denominative verbs |
| 8 | Proto-Indo-European | -eh₂yéti | Creates iterative/ frequentative/ intensive... |
| 9 | Proto-Indo-European | -yéti | Creates intransitive, often deponent,... |
| 10 | Proto-Indo-European | yé- | — |
| 11 | Chichewa | iye | he, she |
via English lactose
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | lactose | The disaccharide sugar of milk and dairy... |
| 2 | French | lactose | lactose |
| 3 | French | -ose | -osis, a functional disease or condition; -ose, a... |
| 4 | Ancient Greek | -ωσις | abnormal condition or state; state, abnormal... |
| 5 | Ancient Greek | -σῐς | "suffix forming nouns" |
| 6 | Ancient Greek | -τις | retained after dentals |
| 7 | Proto-Indo-European | -tis | Derives abstract/action nouns from verb roots |