Noungreat erudition; extensive knowledge; vast stock of knowledge

Nouninner mysteries (of a field of study); secrets

Nounperception

Nounmozuku (Cladosiphon okamuranus and Sphaerotrichia divaricata, types of edible seaweed)

Nounthe five skandhas (matter, sensation, perception, mental formations and consciousness); the five aggregates

Nounbardo; state (or period) of intermediate existence between one's death and rebirth (in Japan, 49 days)

Nounformation of volition; aggregate of volition

Expressions (phrases, clauses, etc.), Ichidan verbto draw upon one's profound knowledge

Expressions (phrases, clauses, etc.), Ichidan verbto master the secrets of