الواصلة
pro·fi·cien·cyالتركية النطق
prıfîşınsiالمترادفات
ability,
command,
competence,
skill,
accomplishment,
advance,
advancement,
aptitude,
chops,
dexterity,
efficiency,
expertise,
expertness,
facility,
formulaالنطق
/prəˈfəsʜənsē/ /prəˈfɪʃənsiː/
علم أصول الكلمات
() From Latin proficientem, from proficere.