体たい節せつ動どう物ぶつ

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Meanings

1

noun

articulate; segmented animal

A zoological term for animals with segmented bodies, such as arthropods and annelids. Used in biological classification contexts.

body, substance, object

節node, season, period

動move, motion, change

物thing, object, matter

節せっ足そく動どう物ぶつ
節足動物 specifically refers to arthropods (jointed-legged animals), a subgroup of 体節動物.
環かん形けい動どう物ぶつ
環形動物 refers to annelids (ringed worms), another subgroup of 体節動物.

Compound of 体節 (body segment) + 動物 (animal). A modern scientific term likely coined in the context of zoological classification.