Etymology of the Latin word diaphysis
the New Latin word diaphysis
derived from the Greek word diaphusis, διάφυσις, διάϕυσις
derived from the Greek word diaphuesthai
derived from the Late Greek word phusis, φύσις (growth; growth (by germination or expansion); natural production (lineal descent); by extension, a genus or sort; figuratively, native disposition, constitution or usage)
derived from the Proto-Indo-European root *bheuə-
derived from the Greek word diaphuein, διαϕύω