Where does “sonde” come from?

sonde (French) comes from Middle French sonde, from Old French sonde, from Old English sund, from Old Norse sund, from Proto-Germanic sundą, from Proto-Germanic swimmaną, from Proto-Indo-European swem(bʰ)- — to bend, turn, swing; to be unsteady, move, swim.

sonde (French): probe; sound; Any of various devices for testing...

Definitions

  1. probe; sound; Any of various devices for testing...

Ancestry of “sonde”, step by step

StepLanguageWordMeaning
1Middle Frenchsondesounding line
2Old Frenchsondesounding line
3Old Englishsundswimming; sea, water
4Old Norsesundswimming; strait, sound; swimming, sound
5Proto-Germanicsundąswimming; sound, strait
6Proto-Germanicswimmanąto be unsteady; to swim; float
7Proto-Indo-Europeanswem(bʰ)-to bend, turn, swing; to be unsteady, move, swim

Words derived from “sonde

Every word from Proto-Indo-European swem(bʰ)-
sonde — Etymology, Origin & Word History | Etymology Explorer