rachi-
combining form
variants or rachio- or less commonly rhachi- or rhachio-
: spine : spinal : spinal and
rachicentesis
rachiodont
rachiometer
Word History
Etymology
Greek rhachi-, from rhachis lower part of the back, spine, backbone; akin to Greek rhachos thorn hedge, Middle Irish fracc needle, Lithuanian ražas stubble, tine of a fork