複ふく合ごう形けい容よう詞し

Meanings

1

compound adjective

Linguistics term for an adjective formed by combining two or more words or stems, such as 面白い (from 面 + 白い) or 蒸し暑い.

part of speech, words, poetry

複ふく合ごう動どう詞し
Refers to compound verbs (e.g., 飛び込む), while 複合形容詞 refers to compound adjectives.
複ふく合ごう名めい詞し
Refers to compound nouns (e.g., 本棚), while 複合形容詞 refers to compound adjectives.

From 複合 (compound) + 形容詞 (adjective). A straightforward technical term in Japanese linguistics.