c. 1300, covenaunt, "mutual compact to do or not do something, a contract," from Old French covenant, convenant "agreement, pact, promise" (12c.), originally present participle of covenir "agree, meet," from Latin convenire "come together, unite; be suitable, agree," from com- "together" (see com-) + venire "to come," from a suffixed form of PIE root *gwa- "to go, come."

In law, "a promise made by deed" (late 14c.). Applied in Scripture to God's arrangements with man as a translation of Latin testamentum, Greek diatheke, both rendering Hebrew berith (though testament also is used for the same word in different places). Meaning "solemn agreement between members of a church" is from 1630s; specifically those of the Scottish Presbyterians in 1638 and 1643 (see covenanter).

medical name of a set of affections characterized by abnormal discharge of urine, 1560s, from medical Latin diabetes, from late Greek diabetes "excessive discharge of urine" (so named by Aretaeus the Cappadocian, physician of Alexandria, 2c.), literally "a passer-through, siphon," from diabainein "to pass through," from dia "through" (see dia-) + bainein "to go, walk, step" (from PIE root *gwa- "to go, come").

Now usually restricted to diabetes mellitus, which is characterized by an excessive quantity of sugar in the urine. An old common native name for it was pissing evil. In classical Greek, diabainein meant "to stand or walk with the legs apart," and diabetes meant "a drafting compass," from the position of the legs.

"drawn from the relationship of cause and effect," especially of arguments, 1836, from ecbasis, from Latin ecbasis, from Greek ekbasis "a going out, issue, event," from ek- "out" (see ex-) + basis "a step, a base," from bainein "to go, walk, step," from PIE root *gwa- "to go, come."

1570s, "the consequence of anything" (as in in the event that); 1580s, "that which happens;" from French event, from Latin eventus "occurrence, accident, event, fortune, fate, lot, issue," from past participle stem of evenire "to come out, happen, result," from assimilated form of ex- "out" (see ex-) + venire "to come" (from a suffixed form of PIE root *gwa- "to go, come"). Meaning "a contest or single proceeding in a public sport" is from 1865. Events as "the course of events" is attested from 1842. Event horizon in astrophysics is from 1969.

1610s, "pertaining to events," from French éventuel, from Latin event-, stem of evenire "to come out, happen, result" (see event). Meaning "ultimately resulting" is by 1823.

"figure of speech by which what should have been first according to the natural and grammatical order is put last, especially for the sake of emphasis," 1570s, from Greek hyperbaton, literally "overstepping," from hyper "over" (see hyper-) + bainein "to go, walk, step," from PIE root *gwa- "to go, come." Classical grammarians distinguish as many as seven kinds of it: Anastrophe, hysteron proteron, hypallage, synchysis, tmesis, parenthesis, and hyperbaton, strictly so called.

"sleep-walker," 1890, from French hypnobate, from Greek hypnos "sleep" (from PIE root *swep- "to sleep") + batos, verbal adjective of bainein "to go, walk, step" (from PIE root *gwa- "to go, come"). Related: Hypnobatia.

1580s, "intercept" (obsolete), a back-formation from intervention, or else from Latin intervenire "to come between, intervene; interrupt; stand in the way, oppose, hinder," from inter "between" (see inter-) + venire "to come," from a suffixed form of PIE root *gwa- "to go, come." Sense of "come between, fall or happen between" (of events) is from c. 1600; that of "interfere, interpose oneself between, act mediatorially" is from 1640s. Related: Intervened; intervener; intervening.

c. 1600, from Latin intervenientem (nominative interveniens), present participle of intervenire "to come between, interrupt," from inter "between" (see inter-) + venire "to come," from a suffixed form of PIE root *gwa- "to go, come." Related: Interveniently.

early 15c., intervencioun, "intercession, intercessory prayer," Late Latin interventionem (nominative interventio) "an interposing, a giving security," literally "a coming between," noun of action from past-participle stem of Latin intervenire "to come between, interrupt," from inter "between" (see inter-) + venire "to come" (from a suffixed form of PIE root *gwa- "to go, come"). Later "act of intervening" in any way; in 19c.-20c. often of international relations; by 1983 of interpersonal intrusions by friends or family meant to reform a life felt to be going wrong.