French sonder

← Old English (derived)

← Old English sundġierd (mention)

← Old English sundlīne (mention)

← Old English sundrāp (mention)

← Old English sund (mention)

← Middle French sonder (inherited)

← Old French sonder (inherited)

← Old French sonde (mention)

← Proto-Germanic *sundą (derived)

← Proto-Indo-European *swembʰ- (derived)

← Old Norse sund (cognate)

→ English sounder (derived)

→ English sonder (derived)

→ Danish sondere (derived)

→ Spanish sondar (borrowed)

→ French sondage (affix)

→ French insondable (affix)

→ French sondeur (suffix)

→ Ido sondar (borrowed)

→ Italian sondare (borrowed)

→ Romanian sonda (borrowed)