Where does “lactose” come from?
lactose (Portuguese) comes from French lactose, from French -ose, from Ancient Greek -ωσις, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.
lactose (Portuguese): lactose
Ancestry of “lactose”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | lactose | lactose |
| 2 | French | -ose | -osis, a functional disease or condition; -ose, a... |
| 3 | Ancient Greek | -ωσις | abnormal condition or state; state, abnormal... |
| 4 | Ancient Greek | -σῐς | "suffix forming nouns" |
| 5 | Ancient Greek | -τις | Earlier form of -σις , retained after dentals δ,... |
| 6 | Proto-Indo-European | -tis | Derives abstract/action nouns from verb roots |