Questions & Answers about Murmelnd sucht er etwas in der Küche.
How is the word murmelnd formed, and why doesn't it have an ending?
Murmelnd is the Present Participle of the verb murmeln (to mumble). You form it by adding a -d to the infinitive. Because it describes how he searches (acting as an adverb) rather than sitting directly in front of a noun (acting as an adjective), it doesn't take any extra endings.
Why is the verb sucht before the subject er in this sentence?
This is the classic German V2 (verb-second) rule. Because the sentence begins with the participle murmelnd in position one, the conjugated verb sucht must take position two. This pushes the subject er into position three.
Could I translate murmelnd as "while mumbling"?
Absolutely. When a Present Participle is used as an adverb of manner, it shows that two actions are happening at the same time. Translating it as "while mumbling" perfectly captures the meaning here.
Why do we use the dative case for in der Küche here?
The preposition in is a two-way preposition. Because he is already inside the kitchen searching (answering the question "where?" or wo?), we use the dative case. If he were moving into the kitchen from outside (answering "where to?" or wohin?), we would use the accusative case: in die Küche.