Etymology
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Words related to chrono-

anachronism (n.)

1640s, "an error in computing time or finding dates," from Latin anachronismus, from Greek anakhronismos, from anakhronizein "refer to wrong time," from ana "against" (see ana-) + khronos "time" (see chrono-). The meaning "something out of harmony with a specified time" is recorded by 1816.

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chronic (adj.)

early 15c., cronik, of diseases, "lasting a long time," from Old French chronique and directly from Latin chronicus, from Greek khronikos "of time, concerning time," from khronos "time" (see chrono-). Vague disapproving sense (from 17c.) is from association with diseases and later addictions. Literal sense "pertaining to time" is rare in English. As a popular slang catch-all word for "cannabis," popularized from 1992 by "The Chronic," an album released by rapper Dr. Dre; said to be because it described especially potent marijuana, on the notion of "extreme, severe." Related: Chronical; chronically.

chronicle (n.)

c. 1300, cronicle, "historical account of facts or events in the order of time," from Anglo-French cronicle, from Old French cronique "chronicle" (Modern French chronique), from Latin chronica (neuter plural mistaken for fem. singular), from Greek ta khronika (biblia) "the (books of) annals, chronology," neuter plural of khronikos "of time, concerning time," from khronos "time" (see chrono-).

The ending was modified in Anglo-French, perhaps by influence of article. Old English had cranic "chronicle," cranicwritere "chronicler." The classical -h- was restored in English from 16c. As a one-word form, classical Greek had khronographia "chronicle, yearbook."

chronograph (n.)

"precise time-measuring device," 1831, from chrono- "time" + -graph "instrument for recording; something written." Compare Greek khronographos "recording time and events" (adj.); "a chronicler" (n.). Related: Chronography; chronographic.

chronology (n.)

1590s, "the science of time," from French chronologie or directly from Modern Latin chronologia; see chrono- + -logy. Related: Chronologer (1570s). Meaning "particular statement of the supposed order of certain past events" is from 1610s.

chronometer (n.)

"any instrument that measures time or divides it into equal portions," especially "a time-keeper of great accuracy," 1735, from chrono- "time" + -meter. Related: Chronometric; chronometry.

crony (n.)

"old familiar friend, intimate companion," 1660s, chrony, Cambridge student slang, probably from Greek khronios "long-lasting," from khronos "time" (see chrono-), on the notion of "old friend" or "a contemporary."

diachronic (adj.)

1857, "lasting through time," from Greek dia "throughout" (see dia-) + khronos "time" (see chrono-). In linguistics, "concerned with the historical development of a language, historical," by 1927.

isochronous (adj.)
"uniform in time, of equal time, performed in equal times," 1706, with suffix -ous, from Modern Latin isochronus, from Greek isokhronos "equal in age or time," from iso- "equal" (see iso-) + khronos "time" (see chrono-). Earlier in same sense was isochronal (1670s).
parachronism (n.)

"error in chronology by which an event has assigned to it a date later than the proper one," 1640s, from para- "beside, beyond" + Latinized form of Greek khronos "time" (see chrono-) + -ism