Where does “laagdoorlaatfilter” come from?
laagdoorlaatfilter (Dutch) comes from Dutch filter, from German filter, from French filtré, from Medieval Latin filtrum, from Frankish filtir, from Frankish *felt, from Proto-Germanic *felt, from Proto-Indo-European peld- — to cover, to wrap; skin, hide, cloth; to fold.
laagdoorlaatfilter (Dutch): low-pass filter
Ancestry of “laagdoorlaatfilter”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Dutch | filter | A filter; A cigarette filter; A light filter |
| 2 | German | filter | inflection of filtern:
## first-person singular... |
| 3 | French | filtré | past participle of filtrer; filtered |
| 4 | Medieval Latin | filtrum | felt |
| 5 | Frankish | filtir | — |
| 6 | Frankish | *felt | — |
| 7 | Proto-Germanic | *felt | — |
| 8 | Proto-Indo-European | peld- | something beaten or compressed; felt |
| 9 | Proto-Indo-European | pelh₂- | to approach |
| 10 | Proto-Indo-European | pel- | to cover, to wrap; skin, hide, cloth; to fold |