ex-

• ef- (before f), e.g. effective
• ec- (before c), e.g. eccentric
• e-, e.g. egregious

From Middle English from words borrowed from Middle French; from Latin ex (“out of, from”), from Proto-Indo-European *eǵ-, *eǵs- (“out”), *eǵʰs. Cognate with Ancient Greek ἐξ (ex, “out of, from”), Transalpine Gaulish ex- (“out”), Old Irish ess- (“out”), Old Church Slavonic изу (izu, “out”), Russian из (iz, “from, out of”).

ex-

1. out of

   extract, expel, except, expression, exclusion

2. outside

   exterior, ex-directory

3. former, but still living (almost always used with a hyphen)

   ex-husband, ex-president, ex-wife

4. (biology) Lacking.

   excaudate, exstipulate

• Sometimes the x in ex- is elided before certain constants, being reduced to e- (as, e.g., in ejaculate).

• e-
• ex
• exo-
• extra-

• xe

ex-

1. ex- (former)

• ex- in Slovník afixů užívaných v češtině, 2017

ex-

1. ex-

• ē- (before b, d, g, j, l, m, n, r, or v)
• ec-, ef- (before f)

The preposition ex, ē used in combination.

• (Classical) IPA^(key): /eks/, [ɛks]

ex-

1. out, away

   ē- + veniō → ēveniō

   ex- + clāmō → exclāmō

   ex- + eō → exeō

2. throughout

   ē- + dormiō → ēdormiō

   ē- + pōtō → ēpōtō

3. (intensive) thoroughly

   ē- + dūrus + -ō → ēdūrō

   ex- + acuō → exacuō

4. denoting achievement

   ex- + ōrō → exōrō

   ex- + pugnō → expugnō

5. up

   ex- + aggerō → exaggerō

   ex- + struō → exstruō

6. denoting privation

   ex- + anima + -ō → exanimō

   ex- + sanguis → exsanguis

• French: é-
• Italian: s-, es-
• Old Occitan: [Term?]
  • Occitan: es-
• Spanish: es-

• “ex-” on pages 629–630 of the Oxford Latin Dictionary (1st ed., 1968–82)

• ef- (before f)

You can help Wiktionary by providing a proper etymology.

ex-

1. privation

   ‎ef- + ‎flouren → ‎efflouren

From Latin ex.

ex-

1. ex- (former)

ex-

1. ex-, former, past