-iza / -eza
Causative -iza and -eza
The -iza and -eza suffixes are historical causative endings. Unlike regular causatives, you cannot use them to create new words. Instead, they appear on specific, highly common dictionary words, often giving them a specialized or figurative meaning.
How It Works
While you will see these suffixes everywhere in Swahili, it is crucial to understand that this pattern is non-productive. This means you must learn words like kupendeza (to be attractive) or kumaliza (to finish) as individual vocabulary items.
Key Differences from Productive Causatives:
- Causative -isha and Causative -esha are productive. You can attach them to almost any consonant-final verb to mean "make someone do X."
- -iza and -eza are fixed. The choice between -isha and -iza on consonant-final roots is entirely a matter of lexical history, not a predictable phonological rule.
Watch out for vowel-final roots:
Verbs like kuingiza (to insert) or kupunguza (to reduce) might look like they use -iza. However, their roots end in vowels (ingi-a, pungu-a), so they are actually just taking the standard -za causative suffix.
Examples (4)
- Alilipiza kisasi kwa maadui zake.
He took revenge on his enemies.
Word by Word: He exacted revenge to enemies his.
Derived from -lipa (to pay). The -iza suffix gives it the specialized meaning of exacting a penalty or taking revenge.
- Nguo hii inakupendeza sana.
This dress looks great on you.
Word by Word: Dress this it is pleasing you very.
Derived from -penda (to like/love). It takes -eza due to vowel harmony and means "to be pleasing" or "attractive."
- Mteja aliagiza chakula.
The customer ordered food.
Word by Word: Customer ordered food.
Derived from -aga (to agree/take leave). The -iza form has the established meaning of "to order" or "to commission."
- Wanafunzi wamemaliza mtihani wao.
The students have finished their exam.
Word by Word: Students they have finished exam their.
A very common lexicalized causative meaning "to finish."
Common Mistakes
Assuming -iza/-eza is a productive suffix you can add to any verb to mean "make someone do X".
Nilimlipiza deni.Nilimlipisha deni.To force someone to pay a debt, you must use the productive causative -isha (-lipisha). The word -lipiza is a fixed dictionary word meaning "to exact a penalty" or "take revenge".
Using an established -iza/-eza verb with a literal causative meaning instead of its actual figurative meaning.
Nilimpendeza chakula.Chakula kilimpendeza.Kupendeza does not mean "to force someone to love." It has a specialized meaning: "to be pleasing" or "to be attractive." Therefore, the food is the subject that is pleasing to the person.
How It Connects
Learn This First
To understand the -iza/-eza causative, you first need to be familiar with the general system of Swahili verb extensions and the specific rules of vowel harmony that dictate whether an 'i' or 'e' is used in the suffix. This pattern is a phonological or lexical variation of the standard causative forms.
Related Patterns
- -ishaCausative -isha
The productive causative suffix used to actively make someone do something, contrasting with the fixed -iza forms.
Level 2 - -eshaCausative -esha
The productive causative suffix for mid-vowel roots.
Level 2 - Lexicalized Causatives
Explains how historical causatives like -iza and -eza became fixed dictionary words with specialized meanings.
Level 4 - Verb Extensions
The broader system of modifying verb roots to change their meaning, which includes these historical suffixes.
Foundations