aug-, auc-, auct-, auxano-, auxi-, aux-, auxo-

(Greek > Latin: to increase, to grow; growth)

auxochrome
auxocyte
auxodrome
auxoflore
auxograph
An instrument that records variations in volume.
auxoheterotrophic
auxology
auxometer
auxospore
auxotonic
In botany, induced by growth rather than by external stimulus.
unauthorized