じゅつぶ
predicate
Noun
「述部じゅつぶ」とは、動作どうさを表あらわす部分ぶぶんで、最後さいごが「~だ」「~する」などになる部分ぶぶんです。
The "predicate" is that part that shows the action in the sentence. In Japanese it would be the part that ends in "da", "suru", etc.