Meaning

noun incomprehensibility resulting from obscurity of meaning

noun the quality of being opaque to a degree; the degree to which something reduces the passage of light

originEtymology tree English opaque Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English opaqueness From opaque + -ness.

Etymology from Wiktionary, CC BY-SA 3.0