1520s, "to recount, tell," from French relater "refer, report" (14c.) and directly from Latin relatus, used as past participle of referre "bring back, bear back" (see refer), from re- "back, again" + lātus "borne, carried" (see oblate (n.)).
The meaning "stand in some relation; have reference or respect" is from 1640s; transitive sense of "bring (something) into relation with (something else)" is from 1690s. Meaning "to establish a relation between" is from 1771. Sense of "to feel connected or sympathetic to" is attested from 1950, originally in psychology jargon. Related: Related; relating.
"full of reproach, intended to bring disgrace" (of language, words, etc.), late 14c., from Old French oprobrieus (Modern French opprobrieux) and directly from Late Latin opprobriosus, from Latin opprobare "to reproach, taunt," from assimilated form of ob "in front of, before" (see ob-) + probrum "reproach, infamy," from Proto-Italic *profro-, from PIE *probhro- "what is brought up" (against someone, as a reproach), from root *bher- (1) "to carry," also "to bear children." Compare Sanskrit prabhar-, Avestan frabar- "to bring, offer." The etymological sense is "disgrace attached to conduct considered shameful." Related: Opprobriously; opprobriousness.
formerly also enduce, late 14c., "to lead by persuasions or other influences," from Latin inducere "lead into, bring in, introduce, conduct; persuade; suppose, imagine," from in- "into, in, on, upon" (from PIE root *en "in") + ducere "to lead" (from PIE root *deuk- "to lead"). Meaning "to bring about" in any way (in reference to a trance, a fever, etc.) is from early 15c.; sense of "to infer by reasoning" is from 1560s. Electro-magnetic sense first recorded 1777. Related: Induced; inducing.
1833, "one who or that which develops," agent noun from develop. Photography use in reference to the chemical bath used to bring out the latent image is attested from 1869; meaning "speculative builder" is by 1938.