群集がひとりでに集まり始めた。

群集がひとりでに集まり始めた。

A crowd gathered of itself.

群集(ぐんしゅう)がひとりでに集(あつ)まり始(はじ)めた。

Gunshū ga hitorideni atsumarihajimeta.

群集 (ぐんしゅう)

group (of living things); crowd; community

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

独りでに (ひとりでに)

by itself; automatically; naturally

集まる (あつまる)

to gather; to collect; to assemble

Readings: グン、む.れる、む.れ、むら、むら.がる

Meanings: flock, group, crowd, herd, swarm, cluster

Readings: シュウ、あつ.まる、あつ.める、つど.う

Meanings: gather, meet, congregate, swarm, flock

Readings: シ、はじ.める、 -はじ.める、はじ.まる

Meanings: commence, begin