Where does “rheoplethysmographic” come from?

rheoplethysmographic (English) comes from English rheoplethysmograph, from English plethysmograph, from Ancient Greek πληθυσμός, from Ancient Greek πληθύνω, from Ancient Greek πληθύς, from Ancient Greek πίμπλημι, from Proto-Indo-European pleh₁- — to fill.

rheoplethysmographic (English): Relating to the rheoplethysmograph

Definitions

  1. Relating to the rheoplethysmograph

Ancestry of “rheoplethysmographic”, step by step

rheoplethysmographic traces back through two separate lines of ancestry.

via English rheoplethysmograph

StepLanguageWordMeaning
1EnglishrheoplethysmographAn instrument for the measurement of variation in...
2EnglishplethysmographAn instrument for measuring changes in volume...
3Ancient Greekπληθυσμόςincreasing, enlargement, multiplication,...
4Ancient GreekπληθύνωI increase, multiply; I make multiple; I use the...
5Ancient GreekπληθύςIonic and Epic form of πλῆθος
6Ancient GreekπίμπλημιI fill; I fill myself; I am full of
7Proto-Indo-Europeanpleh₁-to fill

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European pleh₁-Every word from Ancient Greek πίμπλημιEvery word from Ancient Greek πληθύς