Free from the Locus of Causality

locus (n.) (plural loci), 1715, "locality," from Latin locus "a place, spot, position," from Old Latin stlocus, literally "where something is placed," from PIE root *st(h)el- "to cause to stand, to place." Used by Latin writers for Greek topos. Mathematical sense by 1750.
causa (by Cicero, and also a little after him, caussa , Quint. 1, 7, 20; so Fast. Praenest. pp. 321, 322; Inscr. Orell. 3681; 4077; 4698 al.; in Mon. Ancyr. 3, 1 dub.), ae, f. perh. root cav- of caveo, prop. that which is defended or protected; cf. cura,

Locust Swarm

swarm (n.) "cloud of bees or other insects," Old English swearm "swarm, multitude," from Proto-Germanic *swarmaz (cognates: Old Saxon, Middle Low German swarm, Danish sværm "a swarm," Swedish svärm, Middle Dutch swerm, Old High German swaram, German Schwarm "swarm;" Old Norse svarmr "tumult"), by Watkins, etc., derived from PIE imitative root *swer- (2) "to buzz, whisper" (see susurration) on notion of humming sound, and thus probably originally of bees. But OED suggests possible connection with base of swerve and ground sense of "agitated, confused, or deflected motion." General sense "large, dense throng" is from early 15c. swarm (v.1) "to climb (a tree, pole, etc.) by clasping with the arms and legs alternately, to shin," 1540s, of uncertain origin. "Perh. orig. a sailor's word borrowed from the Continent, but no trace of the meaning has been discovered for phonetically corresponding words" [OED]. perhaps originally a sailors' word, of uncertain origin. Also recorded as swarve (16c.) and in Northern dialects swarble, swarmle. Related:

Swarmed; swarming.

swerve (v.) c. 1200, "to depart, go make off; turn away or aside;" c. 1300, "to turn aside, deviate from a straight course;" in form from Old English sweorfan "to rub, scour, file away, grind away," but sense development is difficult to trace. The Old English word is from Proto-Germanic *swerb- (cf Old Norse sverfa "to scour, file," Old Saxon swebran "to wipe off"), from PIE root *swerbh- "to turn; wipe off." Cognate words in other Germanic languages (cognates: Old Frisian swerva "to creep," Middle Dutch swerven "to rove, roam, stray") suggests the sense of "go off, turn aside" might have existed in Old English, though unrecorded. Related: Swerved; swerving.

Locusta (or Lucusta)
was notorious in Ancient Rome for her skill in concocting poisons.

divide (v.)   early 14c., from Latin dividere "to force apart, cleave, distribute,"

from dis- "apart" (see dis-)

 + -videre "to separate," 

from PIE root *weidh- "to separate" (see widow; also see with).
Mathematical sense is from early 15c. Divide and rule (c. 1600) translates Latin divide et impera, a maxim of Machiavelli. Related: Divided; dividing.

discord (n.) early 13c., descorde, "unfriendly feeling, ill will;" also "dissention, strife," from Old French descorde (12c.) "disagreement," from Latin discordia, from discors (genitive discordis) "disagreeing, disagreement"

from dis- "apart" (see dis-)
+ cor (genitive cordis) "heart"

from PIE root *kerd- "heart" (see heart). Musical sense is late 14c.

core (n.) late 14c., probably from Old French coeur "core of fruit, heart of lettuce," literally "heart," from Latin cor "heart," from PIE root *kerd- (1) "heart" (see heart (n.)). Nuclear reactor sense is from 1949.

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