
English word obscure comes from Latin obscurus
obscurus (Latin)
(of character) reserved, secret, close. Dark, dusky, shadowy. Indistinct, unintelligible, obscure. Intricate, involved, complicated. Unknown, unrecognized.
obscur (Old French)
obscure (English)
Dark, faint or indistinct.. Hidden, out of sight or inconspicuous.. Difficult to understand.. Not well-known. (intransitive, obsolete) To conceal oneself; to hide.. (transitive) To hide, put out of sight etc.. (transitive) To render obscure; to darken; to make dim; to keep in the dark; to hide; to make less visible, intelligible, legible, glorious, beautiful, or illustrious.