katlabilirlerdi
Katlabilirlerdi is a Turkish verb form that expresses past conditional/potential modality related to the verb “katletmek” (to kill). In this construction, the stem katl- (from katletmek) carries a sequence of suffixes that render the sense “they could have killed” or “they would have been able to kill,” depending on context. The form is not a common everyday usage; it is most often described in grammar references or encountered in historical, literary, or linguistic analyses.
The form is analyzed as built from the verb stem katl- with the suffix -ebil- indicating possibility
katlabilirlerdi is most likely found in narrative, hypothetical, or scholarly contexts rather than in everyday speech.
Related constructions include katledebilirlerdi (they could have killed) or katledebilirlerdi gibi forms that shift nuance toward
Eğer yeterli deliller olsaydı, düşmanlar katlabilirlerdi. Translation: If there were enough evidence, the enemies could have