1A direct object that has the same linguistic derivation as the verb which governs it, as in ‘sing a song’.
〔语法〕同根宾语（与支配其本身的及物动词词源相同的直接宾语，如在sing a song和live a good life中的song和life）
Example sentencesExamples
A cognate object is one whose sense incorporates the action or state represented by the clause (to sleep the sleep of the just).
She has published on verb alternations like decausativization, cognate objects, and resultatives.
Although examples can easily be constructed, the subject they contain does not have the properties associated with cognate objects.
I am also working on a typology of cognate objects, which includes much data concerning cognate objects in African languages.
However, in Chinese, not only can intransitives take cognate objects, transitives can also take cognate objects.
1.1A direct object that makes explicit a semantic concept that is already present in the semantics of the verb which governs it, as in ‘eat some food’.
同源宾语（其本身含义已由支配它的及物动词点明的直接宾语，如在ask a question和eat some food中的question和food）
Example sentencesExamples
It's a sort of ‘cognate prepositional phrase’, like the cognate objects in ‘cost money’ or ‘owe money’.
Definition of cognate object in US English:
cognate object
noun
Grammar
1A direct object that has the same linguistic derivation as the verb that governs it, as in “sing a song,” “live a good life.”.
〔语法〕同根宾语（与支配其本身的及物动词词源相同的直接宾语，如在sing a song和live a good life中的song和life）
Example sentencesExamples
A cognate object is one whose sense incorporates the action or state represented by the clause (to sleep the sleep of the just).
However, in Chinese, not only can intransitives take cognate objects, transitives can also take cognate objects.
Although examples can easily be constructed, the subject they contain does not have the properties associated with cognate objects.
I am also working on a typology of cognate objects, which includes much data concerning cognate objects in African languages.
She has published on verb alternations like decausativization, cognate objects, and resultatives.
1.1A direct object that makes explicit a semantic concept that is already wholly present in the semantics of the verb which governs it, as in “ask a question,” “eat some food.”.
同源宾语（其本身含义已由支配它的及物动词点明的直接宾语，如在ask a question和eat some food中的question和food）
Example sentencesExamples
It's a sort of ‘cognate prepositional phrase’, like the cognate objects in ‘cost money’ or ‘owe money’.