☞ rachio-
ORIGIN: from rachis -i- 
rachi-
combining form 
or rachio- also rhachi- or rhachio-
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 
 : spine : spinal : spinal and 
< rachicentesis >
< rachiodont >
< rachiometer >
or rachio- also rhachi- or rhachio-
< rachicentesis >
< rachiodont >
< rachiometer >