Middle English spinnen, from Old English spinnan (transitive) "draw out and twist (raw fibers) into thread," strong verb (past tense spann, past participle spunnen), from Proto-Germanic *spenwan (source also of Old Norse and Old Frisian spinna, Danish spinde, Dutch spinnen, Old High German spinnan, German spinnen, Gothic spinnan), from a suffixed form of PIE root *(s)pen- "to draw, stretch, spin."

The intransitive senses of "form threads from fibrous stuff; twist, writhe" developed in late Old English. Figurative use, "to fabricate or produce in a manner analogous in some way to spinning," is by 1550s (also compare yarn). Of spiders from late 14c. In reference to insects (silk worms) by 1510s.

The transitive sense of "cause to turn rapidly" is from 1610s; the intransitive meaning "revolve, turn around rapidly" is recorded by 1660s. To spin out in a motor vehicle is by 1954. To spin one's wheels in the figurative sense of "do work but get no result for it" is by 1960. The meaning "play a phonograph record" is attested by 1936 (Variety).

The meaning "attempt to influence reporters' minds after an event has taken place but before they have written about it" seems to have risen to popularity in the 1984 U.S. presidential campaign; as in spin doctor, which was prominent in newspaper accounts of the election from c. Oct. 23, 1984.

[Joe] Jamele insists his job is just to go for coffee. But others call him a "spin doctor," a Reagan camp term for a person who tries to influence the proper "spin" on news stories. [Rutland, Vt., Herald, Nov. 2, 1984]

In the Middle English phrase When adam delf & eue span (which concludes variously), "in the earliest times," span is the old past tense of spin (along with spanne, spane; spunne, sponne); the reference is to his digging and her spinning as characteristic occupations (compare distaff).

"silk-spinning organ of a silkworm or spider," coined 1826, diminutive of spinner with -et.

Proto-Indo-European root meaning "to draw, stretch, spin."

It might form all or part of: append; appendix; avoirdupois; compendium; compensate; compensation; counterpoise; depend; dispense; equipoise; expend; expense; expensive; hydroponics; impend; painter (n.2) "rope or chain that holds an anchor to a ship's side;" pansy; penchant; pend; pendant; pendentive; pending; pendular; pendulous; pendulum; pension; pensive; penthouse; perpendicular; peso; poise; ponder; ponderous; pound (n.1) "measure of weight;" prepend; prepense; preponderate; propensity; recompense; span (n.1) "distance between two objects;" span (n.2) "two animals driven together;" spangle; spanner; spend; spider; spin; spindle; spinner; spinster; stipend; suspend; suspension.

It might also be the source of: Latin pendere "to hang, to cause to hang," pondus "weight" (perhaps the notion is the weight of a thing measured by how much it stretches a cord), pensare "to weigh, consider;" Greek ponos "toil," ponein "to toil;" Lithuanian spendžiu, spęsti "lay a snare;" Old Church Slavonic peti "stretch, strain," pato "fetter," pina "I span;" Old English spinnan "to spin," spannan "to join, fasten; stretch, span;" Armenian henum "I weave;" Greek patos "garment," literally "that which is spun;" Lithuanian pinu "I plait, braid," spandau "I spin;" Middle Welsh cy-ffiniden "spider;" Old English spinnan "draw out and twist fibers into thread," spiðra "spider," literally "spinner."