Learn Japanese — where understanding folds into fluency.

Join the Newsletter

Connect

Email Discord Instagram TikTok YouTube LinkedIn Bluesky X

© 2026 Kumiai Inc. All rights reserved.

About FAQ Contact Status Privacy Terms

古生界 (こせいかい) — Paleozoic group | Kumi Dictionary

Dictionary
Kanji Vocab
古生界

古生界

古こ生せい界かい

Paleozoic group

Kanji Vocab Science & Math19 strokes

Hold to practice stroke order

こせいかい

Noun

1.

Paleozoic group

ANIMATION

Stroke 0 / 19

Speed1.0x

Speed1.0x

Kanji that make up this word

ふる.い・ふる-・-ふる.す…(2)

い.きる・い.かす・い.ける・う.まれる・うま.れる・う.まれ…(39)

life・genuine・birth

world・boundary

Track your mastery

Kumi's KMT system will track your mastery across kanji, vocabulary, grammar, and reading. Create an account to join the waitlist for 220,000+ concepts.

Related concepts for this entry

Used in vocabulary

古
生
界