Where does “threonin” come from?
threonin (English) comes from English in, from Middle English in, from Old English in, from Proto-West Germanic *in.
threonin (English): threonine
Ancestry of “threonin”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | in | Used to indicate location, inclusion, or position... |
| 2 | Middle English | in | Any kind of accomodation; particularly; A home or... |
| 3 | Old English | in | in; Alternative form of inn |
| 4 | Proto-West Germanic | *in | — |