Where does “chitinaceous” come from?

chitinaceous (English) comes from English chitin, from French chitine, from Latin chiton, from Ancient Greek χιτών, from Central Semitic kittan, from Swahili kitu, from Proto-Bantu kɪ̀ntʊ̀, from Proto-Bantu *-ntʊ̀.

chitinaceous (English): Composed of, or resembling, chitin

Definitions

Composed of, or resembling, chitin

Ancestry of “chitinaceous”, step by step

Step	Language	Word	Meaning
1	English	chitin	A complex polysaccharide, a polymer of...
2	French	chitine	chitin
3	Latin	chiton	mollusk
4	Ancient Greek	χιτών	man's tunic; tunic; coat of mail
5	Central Semitic	kittan	—
6	Swahili	kitu	thing
7	Proto-Bantu	kɪ̀ntʊ̀	thing, object
8	Proto-Bantu	*-ntʊ̀	—

Every word from Proto-Bantu *-ntʊ̀ →Every word from Proto-Bantu kɪ̀ntʊ̀ →Every word from Swahili kitu →