durup dururken

Compound of dur- (“to stop, to stand still”) +‎ -up +‎ dur- +‎ -ur +‎ -ken, literally “while standing still continuously”.

• IPA^(key): /duˈɾup.du.ɾuɾ.cen/
• Hyphenation: du‧rup‧du‧rur‧ken

durup dururken

1. (figuratively) for no apparent reason, without provocation, out of the blue

   Synonyms: durduk yerde, sebepsiz yere, sebepsizce

   Evdeki eşyalar durup dururken bozuluyor. ― The appliances at home break down for no apparent reason.

2. (figuratively) suddenly, abruptly, just like that

   Synonyms: birdenbire, birden, ansızın, apansızın, aniden

   Ve bir gün, durup dururken her şey değişti. ― And one day, just like that, everything changed.

• “durup dururken”, in Turkish dictionaries, Türk Dil Kurumu
• Çağbayır, Yaşar (2007) “durup dururken”, in Ötüken Türkçe Sözlük (in Turkish), Istanbul: Ötüken Neşriyat, page 1308