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advertise [advertise 词源字典]: advertise: [15] When it was originally borrowed into English, from French, advertise meant ‘notice’. It comes ultimately from the Latin verb advertere ‘turn towards’ (whose past participle adversus ‘hostile’ is the source of English adverse [14] and adversity [13]). A later variant form, advertīre, passed into Old French as avertir ‘warn’ (not to be confused with the avertir from which English gets avert [15] and averse [16], which came from Latin abvertere ‘turn away’).

This was later reformed into advertir, on the model of its Latin original, and its stem form advertiss- was taken into English, with its note of ‘warning’ already softening into ‘giving notice of’, or simply ‘noticing’. The modern sense of ‘describing publicly in order to increase sales’ had its beginnings in the mid 18th century. In the 16th and 17th centuries, the verb was pronounced with the main stress on its second syllable, like the advertise- in advertisement.
=> adverse, adversity, verse[advertise etymology, advertise origin, 英语词源]
inconsequential (adj.): "characterized by inconsequence," 1620s; "not worth noticing," 1782; see inconsequent + -al (1). Related: Inconsequentially.
notice (v.): early 15c., "to notify," from notice (n.). Sense of "to point out" is from 1620s. Meaning "to take notice of" is attested from 1757, but was long execrated in England as an Americanism (occasionally as a Scottishism, the two offenses not being clearly distinguished). Ben Franklin noted it as one of the words (along with verbal uses of progress and advocate) that seemed to him to have become popular in America while he was absent in France during the Revolution. Related: Noticed; noticing.
observance (n.): early 13c., "act performed in accordance with prescribed usage," especially a religious or ceremonial one, from Old French observance, osservance "observance, discipline," or directly from Latin observantia "act of keeping customs, attention, respect, regard, reverence," from observantem (nominative observans), present participle of observare (see observe). Observance is the attending to and carrying out of a duty or rule. Observation is watching, noticing.
remark (n.): 1650s, "act of noticing; fact of being worthy of comment," from remark (v.). Meaning "a notice or comment" is from 1670s.