Where does “white coat high blood pressure” come from?

white coat high blood pressure (English) comes from English high blood pressure, from English high, from Middle English heigh, from Old English hēah, from Old English hām, from Proto-West Germanic haim, from Proto-Germanic haimaz, from Proto-Indo-European ḱóymos — to be lying down; to settle.

Ancestry of “white coat high blood pressure”, step by step

white coat high blood pressure traces back through two separate lines of ancestry.

via English high blood pressure

StepLanguageWordMeaning
1Englishhigh blood pressureabnormally high blood pressure
2EnglishhighElevated, extending above a base or average...
3Middle Englishheighhigh; Alternative form of hey; Alternative form...
4Old Englishhēahhigh, tall, lofty, high-class, exalted, sublime,...
5Old Englishhāmhome; village, community; village, hamlet, manor,...
6Proto-West Germanichaimhome
7Proto-Germanichaimazhome; house; village
8Proto-Indo-Europeanḱóymosof the home, belonging to the family; village,...
9Proto-Indo-Europeanḱey-to be lying down; to settle

via English white coat

StepLanguageWordMeaning
1Englishwhite coatA white, knee-length coat worn by laboratory...
Every word from Proto-Indo-European ḱey-Every word from Proto-Indo-European ḱóymosEvery word from Proto-Germanic haimaz