Where does “scaphotrapeziotrapezoid joint” come from?

scaphotrapeziotrapezoid joint (English) comes from English joint, from Middle English upon, from Middle English up-, from Old English ūp-, from Old English ūp, from Proto-Germanic upp, from Proto-Germanic ub, from Proto-Indo-European upó.

scaphotrapeziotrapezoid joint (English): The wrist joint where three bones, the scaphoid, trapezium, and trapezoid, meet on the thumb side of the wrist. It helps stabilize the wrist and transfer force during thumb and hand movements, especially gripping and pinching

Definitions

  1. The wrist joint where three bones, the scaphoid, trapezium, and trapezoid, meet on the thumb side of the wrist. It helps stabilize the wrist and transfer force during thumb and hand movements, especially gripping and pinching

Ancestry of “scaphotrapeziotrapezoid joint”, step by step

scaphotrapeziotrapezoid joint traces back through 3 separate lines of ancestry.

via English joint

StepLanguageWordMeaning
1EnglishjointDone by two or more people or organisations...
2Middle Englishuponupon
3Middle Englishup-
4Old Englishūp-up-
5Old Englishūpup, from above
6Proto-Germanicuppup, upwards
7Proto-Germanicubunder
8Proto-Indo-Europeanupóunder, below
9Proto-Indo-Europeanh₃ewp-

via English trapezoid

StepLanguageWordMeaning
1EnglishtrapezoidA quadrilateral with two parallel sides; A...
2New Latintrapezoides
3Ancient Greekτρᾰπεζοειδής

via English trapezio

StepLanguageWordMeaning
1Englishtrapezio
Every word from Proto-Indo-European h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Germanic ub