Noun

• command [pl. commands]
  تضلع {مِنْ عِلْمٍ}
  more ...
• mastery
  تضلع {مِنْ عِلْمٍ}
  more ...

...

• conversance
  تضلع {مِنْ عِلْمٍ}
  more ...
• versedness
  تضلع {مِنْ عِلْمٍ}
  more ...
• proficiency
  تضلع {مِنْ عِلْمٍ}
  more ...

Verb

• to be or become versed in
  تضلع {مِنْ عِلْمٍ}
  more ...
• to be conversant with
  تضلع {مِنْ عِلْمٍ}
  more ...
• to be skilled in
  تضلع {مِنْ عِلْمٍ}
  more ...
• to be proficient in
  تضلع {مِنْ عِلْمٍ}
  more ...
• to master
  تضلع {مِنْ عِلْمٍ}
  more ...
• to know well
  تضلع {مِنْ عِلْمٍ}
  more ...
• to gain mastery in
  تضلع {مِنْ عِلْمٍ}
  more ...
• to have command of
  تضلع {مِنْ عِلْمٍ}
  more ...
• to gain mastery of
  تضلع
  more ...