倒壊, 倒潰, とうかい
Takes suru, Intransitive
destruction, collapse, crumbling
1週間後に、その家は倒壊した。
の, 乃
Particle, orig. written 乃 or 之
1. indicates possessive
2. nominalizes verbs and adjectives
See が・1
3. substitutes for "ga" in subordinate phrases
at sentence-end; falling tone
4. indicates a confident conclusion
Female term or language, at sentence-end
5. indicates emotional emphasis