Breakdown of Sorruin taas kalliiseen heräteostokseen.
kallis
expensive
taas
again
sortua
to collapse
heräteostos
impulse buy
Questions & Answers about Sorruin taas kalliiseen heräteostokseen.
This lesson is about the inadvertent action structure (tuli tehtyä). Why isn't it used here?
The verb sortua inherently means to succumb or give in, which already implies a lapse in willpower or an unplanned action. You don't need the inadvertent action structure to show it wasn't a fully planned choice. However, if you wanted to use the lesson's target grammar with the verb ostaa (to buy), you could say Tuli taas ostettua kallis heräteostos (I accidentally bought an expensive impulse buy again).
Why are kalliiseen and heräteostokseen in the illative (into) case?
The verb sortua (to succumb, to collapse) is a rection verb that requires the illative case for the thing you are succumbing to. You can think of it metaphorically as falling or collapsing into a trap or a bad habit. Because the noun heräteostokseen takes the illative ending, its adjective modifier kalliiseen must agree and take the exact same case.
How is the compound word heräteostos formed?
It is made up of heräte (impulse, stimulus) and ostos (purchase, something bought). The word heräte is related to the verb herättää (to wake someone up, to stimulate). So an impulse buy is literally a stimulus purchase in Finnish.
What is the infinitive of sorruin and why does the stem change?
The infinitive is sortua (to succumb). When you add the first-person past tense ending -in, it closes the syllable, which triggers consonant gradation. The strong consonant combination rt changes to the weak rr, making it sorruin. You might remember this same pattern from common earlier words like kertoa becoming kerroin.
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