深長さ

(1)wisdom that is recondite and abstruse and profound; "the anthropologist was impressed by the reconditeness of the native proverbs"

(2)深遠、難解で深みのある英知

(3)intellectual depth; penetrating knowledge; keen insight; etc; "the depth of my feeling"; "the profoundness of the silence"

(4)深い知性

(5)鋭い知識

(6)鋭い洞察力

(7)など

(8)the quality of having great value or significance

(9)大きな価値や意義があるという特質