いわ いわとしたところ
iwaiwato shita tokoro

Suru Verb
Pre-noun Modifier

Indicates being about to do something of 巌巌とした

1. On the verge of; About to; Imminent

Imminent Aspect
Suru Verb
Pre-noun Modifier

Indicates just did something of 巌巌とした

2. Steadfastly; Firmly; Resolutely

Completed Action
Immediate Past