From Wiktionary, the free dictionary
ظَلِلْتُمْ • (ẓaliltum) (form I) /ðˤa.lil.tum/
- second-person masculine plural past active of ظَلَّ (ẓalla)
ظللتم (form II)
- ظَلَّلْتُمْ (ẓallaltum) /ðˤal.lal.tum/: second-person masculine plural past active of ظَلَّلَ (ẓallala)
- ظُلِّلْتُمْ (ẓulliltum) /ðˤul.lil.tum/: second-person masculine plural past passive of ظَلَّلَ (ẓallala)