English
Mesolithic
From meso- + -lithic.
A compound of meso- + -lithic
Proto-Indo-European *médʰi ‘with, among’
Proto-Indo-European *médʰyos ‘middle’
Proto-Hellenic *métsos ‘middle’
Ancient Greek μέσος ‘middle’
English meso-
Today it means
adj Of or referring to the Middle Stone Age (also the Mesolithic period or the Mesolithic age), a prehistoric period that lasted between 10000 and 3000 BC.
Language periods are conventional ranges, not dates for this word.
Etymograph / Mesolithic