Where does “échosondeur” come from?

échosondeur (French) comes from French sondeur, 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.

échosondeur (French): echo sounder

Definitions

  1. echo sounder

Ancestry of “échosondeur”, step by step

échosondeur traces back through two separate lines of ancestry.

via French sondeur

StepLanguageWordMeaning
1Frenchsondeurpollster; sounder, depth finder
2Frenchsonderto probe; to survey and take measurements using a...
3Middle Frenchsonder
4Old Frenchsonderto plumb
5Old Frenchsondesounding line
6Old Englishsundswimming; sea, water
7Old Norsesundswimming; strait, sound; swimming, sound
8Proto-Germanicsundąswimming; sound, strait
9Proto-Germanicswimmanąto be unsteady; to swim; float
10Proto-Indo-Europeanswem(bʰ)-to bend, turn, swing; to be unsteady, move, swim

via French écho

StepLanguageWordMeaning
1Frenchéchoecho; rumour
2Latinechoecho
3Ancient GreekἨχώsound; a nymph in Greek mythology
4Ancient Greekἠχήsound, noise
5Proto-Hellenic*wākʰā́
Every word from Proto-Indo-European swem(bʰ)-Every word from Proto-Germanic swimmanąEvery word from Proto-Germanic sundą