Where does “tongue cleaner” come from?

tongue cleaner (English) comes from English cleaner, from English clean, from Middle English clene, from Old English clǣne, from Proto-Germanic klainiz, from Proto-Indo-European g(e)lēi-, from Proto-Indo-European ǵel- — to swallow; swallow.

tongue cleaner (English): An oral hygiene tool, often metal or plastic, used to remove bacteria, food debris, and dead cells from the tongue's surface to freshen breath and promote overall oral health by reducing plaque and potential bacteria buildup; typically gently dragged from the back of the tongue to the front, removin

Definitions

  1. An oral hygiene tool, often metal or plastic, used to remove bacteria, food debris, and dead cells from the tongue's surface to freshen breath and promote overall oral health by reducing plaque and potential bacteria buildup; typically gently dragged from the back of the tongue to the front, removin

Ancestry of “tongue cleaner”, step by step

tongue cleaner traces back through two separate lines of ancestry.

via English cleaner

StepLanguageWordMeaning
1EnglishcleanerA person whose occupation is to clean floors,...
2Englishclean"Free of dirt or impurities or protruberances.";...
3Middle Englishcleneclean
4Old Englishclǣnepure, clear; clean, pure
5Proto-Germanicklainizshining, fine, splendid; tender, precious
6Proto-Indo-Europeang(e)lēi-gleaming
7Proto-Indo-Europeanǵel-to swallow; swallow

via English tongue

StepLanguageWordMeaning
1EnglishtongueThe flexible muscular organ in the mouth that is...
2Middle Englishtungtongue; A tongue-shaped thing; language, speech,...
3Old Englishtung
4Proto-West Germanictungātongue; speech, language
5Proto-Germanictungǭtongue; speech, language
6Proto-Indo-Europeandn̥ǵʰwéh₂stongue
Every word from Proto-Indo-European ǵel-Every word from Proto-Indo-European g(e)lēi-Every word from Proto-Germanic klainiz
tongue cleaner — Etymology, Origin & Word History | Etymology Explorer