emergency

very; extremely / exceedingly; tremendously

upper, over

the start / a high place; the top / one with higher rank

the first volume in a two- or three-volume set

【Conjunction】after; on the basis of; upon

school grammar / (specifically) Japanese school grammar, based on Shinkichi Hashimoto's work and now universally employed in Japanese schools and dictionaries.

(grammar) solecism

importance

impossible to understand, utterly confused