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GSMST greek root prefixes

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a-, ab-, abs-
from, away
ad- [ac-, af-, ag-, al-, an-, am-, ap-, ar-, as-]
to, toward, near, very
ambi-, amb-
both; around; on both sides
ante- (rarely anti-)
before
circum-
around, about
con- [co-, col-, com-, cor-]
together, with, very
contra-, contro-
against
de-
down, from, away, very
dis- [dif-, di-]
apart, in different directions, not, very
e-, ex- [ef-]
out of, from, very
extra-
outside of
in- [il-, im-, ir-, en-, em-]
in, within, into, on, not
infra-
beneath, below
inter- [intel-]
between, among
intra-, intro-
within
juxta-
near, next
ob- [o-, oc-, of-, op-]
against, toward, to, very
per- [pel-]
through, badly, very
post-
after, behind, later
pre-
before, very
preter-
past, very
pro- [prod-, por-]
before, instead of, in behalf of
re-, read-
back, again, anew
retro-
backward
se-
apart, aside
sub- [suc-, suf-, sug-, sum-, sup-, sur-, sus-]
under, below, up from below
subter-
secretly, beneath
super-
above, over, more than
supra-
above, upon, morre than
trans-, tra-
across, beyond, through
ultra-
beyond, excessively