Where does “tlettax-il” come from?

tlettax-il (Maltese) comes from Maltese tlettax, from Arabic ثلاثة عشر, from Arabic ثَلَاثَة — three.

Ancestry of “tlettax-il”, step by step

StepLanguageWordMeaning
1Maltesetlettaxthirteen absolute form
2Arabicثلاثة عشرthirteen
3Arabicثَلَاثَةthree
Every word from Arabic ثَلَاثَة →Every word from Arabic ثلاثة عشر →Every word from Maltese tlettax →