Adjective
satem (not comparable)
(Indo-European studies) Referring to a Proto-Indo-European language group that produced sibilants from a series of palatovelar stops.
Antonym: centum
Satem (not comparable)
Alternative letter-case form of satem.
Conceivably, Proto-Armenian would have been located between Proto-Greek and Proto-Indo-Iranian, consistent with the fact that Armenian shares certain features only with Indo-Iranian (the satem change) but others only with Greek (s > h). Source: Internet
In that sense, Tocharian (to some extent like the Greek and the Anatolian languages ) seems to have been an isolate in the " satem " (i.e. palatovelar to sibilant ) phonetic regions of Indo-European-speaking populations. Source: Internet
It may be that the centum branches in fact reflect the original state of affairs in PIE, and only the satem branches shared a set of innovations, which affected all but the peripheral areas of the PIE dialect continuum. Source: Internet