Breakdown of ریشهی این گیاه پختنی است، ولی خام خوردنی نیست.
است
is
این
this
بودنbudan
to be
ولیvali
but
گیاهgiyâh
plant
خامkhâm
raw / unbaked
خوردنیkhordani
edible
ریشهrishe
root
پختنیpokhtani
cookable
Questions & Answers about ریشهی این گیاه پختنی است، ولی خام خوردنی نیست.
How do we get "cookable" and "edible" from پختنی and خوردنی?
This is the main focus of this lesson! You create an adjective of capability or worth by taking the full infinitive of a verb and adding the suffix -ی (-i). So, پختن (to cook) becomes پختنی (cookable or fit to be cooked), and خوردن (to eat) becomes خوردنی (edible or fit to be eaten).
Can words like خوردنی also be used as nouns?
Yes! While in this sentence it acts as an adjective meaning "edible," words formed with this Infinitive + -ی pattern are often used as nouns meaning "things meant for [verb]." For example, خوردنی on its own is commonly used to mean "food" or "a snack," just as نوشیدنی (from to drink) means "a beverage."
Why is خام (raw) placed directly in front of خوردنی?
Even though خوردنی is an adjective here, it keeps a strong verbal quality because it is built directly from the infinitive. خام acts as an adverb modifying how the plant is eaten. In Farsi, adverbs normally go directly before the verb or verbal adjective they modify, so "edible raw" translates literally to خام خوردنی (raw eatable).
Why does ریشه (root) have a ی attached to it to make ریشهی?
This is the Ezafe connector linking ریشه (root) to این گیاه (this plant) to show possession: "the root of this plant." Because ریشه ends in a silent "h" (ه), it creates a vowel sound at the end of the word. To connect it smoothly to the next word, Farsi adds the consonant ی (-ye) instead of the standard invisible short vowel -e.
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