1852 Dana Crustacea ii. 929Three abdominal segments..sparingly acuto-nodose on the sides. 
1807 J. Thelwall in MonthlyMag. XXIII. 30Their distinctions of gravo-acute and acuto-grave or circumflexes. 
acuto-
combining form 
Etymology: acute (I)  
 : acute and 
< acuto-grave >
: acutely
< acuto-nodose >
< acuto-grave >
: acutely
< acuto-nodose >