English sounder

← Old English ġesundra (inherited)

← Old English sunor (inherited)

← English sound (suffix)

← English er (suffix)

← English sound (suffix)

← English er (suffix)

← English depth sounder (link)

← English echo sounder (link)

← English telegraph sounder (link)

← Middle English *soundere (inherited)

← Middle English soundar (inherited)

← Middle English sownere (mention)

← French sonder (derived)

← Proto-Germanic *sundizô (inherited)