Where does “متكتل” come from?

متكتل (Arabic) comes from Arabic تَكَتَّلَ.

متكتل (Arabic): active participle of تَكَتَّلَ; مُتَكَتَّل •;...

Definitions

Step	Language	Word	Meaning
1	Arabic	تَكَتَّلَ	—

متكتل — Etymology, Origin & Word History | Etymology Explorer