Prefixes: position & direction
ab-
away from
ad-
toward
ante-, pre-
before in time or place
circum-, peri-
around
dia-
through
ecto-, ex-, exo-, extra-
out, without, away from
en-, end-, endo-
inside
epi-
above, on
hypo-, infra-, sub-
beneath, under
ipsi-
same
contra-
against or opposed
inter-
between
intra-
within
meso-, mid-
middle
para-
near, beside, or abnormal
per-
through or by
post-
after, behind
retro-
behind or backward
super-, supra-
above, beyond
sym-, syn-
joined, together
trans-
across