ughout_.

anti- = _against_; anti-pathy a feeling _against_.
ant- _opposite_ ant-arctic _opposite_ the Arctic.

apo- = _away_; apo-stle one sent _out_.
ap- _out_ ap-helion _away_ from the sun.

cata- = _down_ or cata-ract a rushing _down_.
cat- _against_ cat-arrh a flowing _down_.

dia- = _through_ or dia-meter measure _through_ the
_across_ dia-logue center.
speaking _across_ (from
one another).

dis- = _two_, dis-syllable word of _two_ syllables.
di- _double_ di-lemma a _double_ assumption.

dys- = _ill_ dys-pepsia _ill_ digestion.

ec- = _out of_ ec-centric _out of_ the center.
ex- ex-odies an _outgoing_.

Note--EX- is used before a root beginning with a vowel.

en- = _in_ or en-ergy power _in_ one.
em- _on_ em-phasis stress _on_.

epi- = _upon_; epi-dermis skin _upon_ skin.
ep- _for_ ep-hemeral lasting _for_ a day.

Note--EP- is used before a root beginning with a vowel or a _h_ aspirate

eu- = _well_ or eu-phonic sounding _well_.
ev- _good_ ev-angel _good_ news.

hemi- = _half_ hemi-sphere _half_ a sphere

hyper- = _over_ or hyper-critical _over_-critical.
_beyond_ hyper-borean _beyond_ the North.

hypo- = _under_ hypo-thesis a placing _under_ (= Lat.
supposition.)

meta- = _beyond_; meta-physics science _beyond_ physics.
met- _transference_ met-onymy _transference_ of name.

para- = _by the_ par-helion mock sun _by the side of_
par- _side of_ the real.

peri- = around peri-meter the measure _around_
anything.

pro- = before pro-gramme something written