Where does “radiosondage” come from?
radiosondage (French) comes from French sondage, from French sonder, from Middle French sonder, from Old French sonder, from Old French sonde, from Old English sund, from Old Norse sund, from Proto-Germanic sundą — to bend, turn, swing; to be unsteady, move, swim.
radiosondage (French): radio sounding
Ancestry of “radiosondage”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | French | sondage | poll, survey; probing, probe, catheterization;... |
| 2 | French | sonder | to probe; to survey and take measurements using a... |
| 3 | Middle French | sonder | — |
| 4 | Old French | sonder | to plumb |
| 5 | Old French | sonde | sounding line |
| 6 | Old English | sund | swimming; sea, water |
| 7 | Old Norse | sund | swimming; strait, sound; swimming, sound |
| 8 | Proto-Germanic | sundą | swimming; sound, strait |
| 9 | Proto-Germanic | swimmaną | to be unsteady; to swim; float |
| 10 | Proto-Indo-European | swem(bʰ)- | to bend, turn, swing; to be unsteady, move, swim |