Etymology
Advertisement
-meter 

word-forming element meaning "device or instrument for measuring;" commonly -ometer, occasionally -imeter; from French -mètre, from Greek metron "a measure," from PIE root *me- (2) "to measure."

Related entries & more 
Advertisement
mechano- 

before vowels mechan-, word-forming element meaning "pertaining to mechanics or  mechanisms; done by machine," from Latinized form of Greek mekhano-, combining form of mēkhanē "device, tool, machine; contrivance, cunning" (see machine (n.)).

Related entries & more