baro-

1.
a combining form meaning “pressure,” used in the formation of compound words:
barograph.
Origin
combining form of Greek báros weight; akin to Sanskrit guru, Latin gravis, Gothic kaurus heavy
British Dictionary definitions for baro-

baro-

combining form
1.
indicating weight or pressure: barometer
Word Origin
from Greek baros weight; related to Latin gravis heavy
baro- in Medicine

baro- or bar-
pref.
Weight; pressure: baroreceptor.