Where does “retropepsin” come from?
retropepsin (English) comes from English retro, from French rétro, from French rétroviseur, from French rétro-, from Latin retrō, from Latin dūcere, from Proto-Italic doukō, from Proto-Indo-European déwketi — to pull, to draw; to lead.
retropepsin (English): Any of a group of retroviral proteases
Definitions
- Any of a group of retroviral proteases
Ancestry of “retropepsin”, step by step
retropepsin traces back through two separate lines of ancestry.
via English retro
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | retro | Of, or relating to, the past, past times, or the... |
| 2 | French | rétro | shortening of rétroviseur, mirror; retro |
| 3 | French | rétroviseur | rear-view mirror |
| 4 | French | rétro- | retro-, back, behind |
| 5 | Latin | retrō | back, backwards, behind |
| 6 | Latin | dūcere | — |
| 7 | Proto-Italic | doukō | lead |
| 8 | Proto-Indo-European | déwketi | — |
| 9 | Proto-Indo-European | dewk- | to pull, to draw; to lead |
via English pepsin
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | pepsin | A digestive enzyme that chemically digests, or... |
| 2 | English | -ín | Attached to a word (usually a verb) to denote a protest, demonstration or other type of gathering characterized by the activity denoted by the base word |
| 3 | English | in | Used to indicate location, inclusion, or position... |
| 4 | Middle English | in | Any kind of accomodation; particularly; A home or... |
| 5 | Old English | in | in; Alternative form of inn |
| 6 | Proto-West Germanic | *in | — |