εκ-

• εξ- (ex-) (before vowels)

From preposition of Ancient Greek ἐκ (ek, “from”). Doublet of ξε- (xe-).

εκ- • (ek-)

1. de- (expresses substraction, removal)

   ‎εκ- (ek-) + ‎θρόνος (thrónos, “throne”) → ‎εκθρονίζω (ekthronízo, “dethrone”)

2. outside, outside the limits of

   ‎εκ- (ek-) + ‎προθεσμία (prothesmía, “deadline”) → ‎εκπρόθεσμος (ekpróthesmos, “overdue”)

3. (in verbs: expresses the transformation into what the verb means)

   ‎εκ- (ek-) + ‎ατμός (atmós, “steam”) → ‎εξατμίζω (exatmízo, “evaporate”)

4. (for emphasis)

   ‎εκ- (ek-) + ‎τυφλώνω (tyflóno, “I blind”) → ‎εκτυφλωτικός (ektyflotikós, “blinding, exceptional”)

5. (as privative)

   ‎εκ- (ek-) + ‎ρυθμός (rythmós, “rhythm”) → ‎έκρυθμος (ékrythmos, “degraded, disorderly”)

• ξε- (xe-, “prefix expressing undoing”)

• "εκ-" - Λεξικό της κοινής νεοελληνικής [Dictionary of Standard Modern Greek], 1998, by the "Triantafyllidis" Foundation.