"the act of obscuring," early 15c., obfuscacioun, originally medical, "the darkening of a sore," from Latin obfuscationem (nominative obfuscatio), noun of action from past-participle stem of obfuscare "to darken" (see obfuscate).

late 14c., "death," a sense now obsolete, from Old French obit or directly from Medieval Latin obitus "death" (a figurative use, literally "a going down, a going to a place"), noun use of past participle of Latin obire "to die," literally "to go toward" (see obituary).

From c. 1400 as "anniversary of a person's death; memorial service held on the anniversary of a person's death." In modern usage (since 1874) it is usually a clipped form of obituary, though it had the same meaning of "published death notice" 15c.-17c. The scholarly abbreviation ob. with date is from Latin obiit "(he) died," third person singular of obire.

"statement in passing," a judge's expression of opinion not regarded as binding or decisive, Latin, literally "something said incidentally;" from obiter "by the way" + dictum in the legal sense "a judge's expression of opinion which is not the formal resolution of a case or determination of the court."

Obiter dicta, legal dicta ... uttered by the way (obiter), not upon the point or question pending, as if turning aside for the time from the main topic of the case to collateral subjects. [Century Dictionary]

Latin obiter is from ob "in front of, toward" (see ob-) + iter "journey" (from PIE root *ei- "to go"). Klein's sources, however, say it is ob with the suffix -iter on analogy of circiter "about" from circa. Also see obituary. 

"the recorder of a death; a writer of obituaries," 1792, from obituary + -ist.

1706, "register of deaths, a list of the dead," from Medieval Latin obituarius "a record of the death of a person," literally "pertaining to death," from Latin obitus "departure, a going to meet, encounter" (a euphemism for "death"), from stem of obire "go toward, go to meet" (as in mortem obire "meet death"), from ob "toward" (see ob-) + ire "to go" (from PIE root *ei- "to go").

Meaning "a record or announcement of a death," especially in a newspaper, and including a brief biographical sketch, is from 1738. As an adjective, "relating to or recording a death," from 1828. A similar euphemism is in Old English cognate forðfaran "to die," literally "to go forth;" utsið "death," literally "going out, departure."

c. 1400, objecten, "to bring forward as a ground of opposition, doubt, or criticism; raise an argument against (a proposition, line of reasoning, etc.)," from Old French objecter and directly from Latin obiectus, past participle of obiectare "to cite as grounds for disapproval, set against, oppose," literally "to put or throw before or against," frequentative of obicere (see object (n.)). Related: Objected; objecting.

late 14c., "tangible thing, something perceived with or presented to the senses," from Old French object and directly from Medieval Latin obiectum "thing put before" (the mind or sight), noun use of neuter of Latin obiectus "lying before, opposite" (as a noun in classical Latin, "charges, accusations"), past participle of obicere "to present, oppose, cast in the way of," from ob "in front of, towards, against" (see ob-) + iacere "to throw" (from PIE root *ye- "to throw, impel").

Sense of "purpose, thing aimed at" is from early 15c., from Latin obiectus "that which presents itself to the sight." Meaning "that toward which a cognitive act is directed" is from 1580s. Grammatical sense of "a member of a sentence expressing that on which the action of the verb is exerted" is from 1729.

No object "not a thing regarded as important" is from 1782, in which the sense of object is "obstacle, hindrance" (c. 1500). As an adjective, "presented to the senses," from late 14c. Object-lesson "instruction conveyed by examination of a material object" is from 1831.

"act or process of making or presenting (someone or something) as an object, especially an object of sense," by 1860, noun of action from objectify.

"present as an object," especially as an object of sense, by 1838, from Medieval Latin obiectum (see object (n.)) + -fy. Related: Objectified; objectifying.