peacekeeping

peacekeeping (usually uncountable, plural peacekeepings)

The act of preserving peace, specifically between hostile groups or states, especially by a sanctioned military force. [from 17th c.]
- 2011, Steven Pinker, The Better Angels of Our Nature, Penguin, published 2012, page 378:
  Peacekeeping is one of the things that the United Nations, for all its foibles, does well.
(as a noun modifier) (for example) a peacekeeping force.

preserving peace

Albanian: please add this translation if you can
Arabic: حِفْظ سَلَام m (ḥifẓ salām)
Armenian: խաղաղարարություն (hy) (xaġaġararutʻyun), խաղաղապահություն (hy) (xaġaġapahutʻyun)
Azerbaijani: sülhməramlı
Belarusian: міратво́рства n (miratvórstva)
Chinese:
Mandarin: 維和 / 维和 (zh) (wéihé), 維持和平 / 维持和平 (wéichí hépíng)
Czech: udržování míru n
Dutch: peacekeeping (nl) m or f
Esperanto: please add this translation if you can
Estonian: rahuvalve
Finnish: rauhanturvaaminen (fi)
French: maintien de la paix m
Georgian: please add this translation if you can
German: Friedenssicherung f, Friedenserhaltung f
Greek: διατήρηση της ειρήνης f (diatírisi tis eirínis)
Hungarian: békefenntartó (hu)
Italian: mantenimento di pace m
Japanese: 平和維持 (へいわいじ, heiwa iji)
Korean: 평화유지(平和維持) (pyeonghwayuji)
Persian: صُلح‌بانی (fa) (solh-bâni)
Polish: utrzymywanie pokoju n
Romanian: menținerea păcii f
Russian: миротво́рчество (ru) n (mirotvórčestvo)
Slovak: udržiavanie mieru n
Spanish: mantenimiento de la paz m
Swedish: fredsbevarande (sv) n
Turkish: please add this translation if you can
Ukrainian: миротво́рство n (myrotvórstvo)

peacekeeping as a noun modifier

English