Breakdown of تريد أختي تحسينا في كفاءة استهلاك الطاقة.
الal
the
فيfî
in / about, regarding
أختukht
sister
يi
my / me (after a preposition)
أرادarâda
to want
طاقةtâqa
energy
استهلاكistihlâk
consumption
كفاءةkafâ'ah
competence / efficiency
تحسينtahsîn
improvement
Questions & Answers about تريد أختي تحسينا في كفاءة استهلاك الطاقة.
Why is there an alif at the end of تحسينا?
How does the grammatical structure of كفاءة استهلاك الطاقة work?
This is a complex or nested idafa (genitive construct) made of three nouns meaning efficiency of consumption of energy. In a chain like this, only the final noun (الطاقة) takes the definite article الـ. The middle word (استهلاك) acts as the possessor for the first word, but is also possessed by the third, so it cannot take a definite article itself.
What verb form does the noun تحسينا come from?
It is the verbal noun (masdar) of the Form II verb حَسَّنَ (to improve). Form II verbal nouns very reliably follow the taf'eel pattern, seen here as تَحْسِين.
What is the root and form of استهلاك (consumption)?
It comes from the root ه-ل-ك (related to perishing or destruction) and is put into Form X. Form X verbs often carry a meaning of seeking or extracting something, and in this context, استهلك means to consume or use up a resource. The noun استهلاك is its standard Form X verbal noun.
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