coil (v.)

1610s, "to wind, gather into rings one above the other" (trans.), from Middle French coillir "to gather, pick," from Latin colligere "to gather together" from assimilated form of com "together" (see co-) + legere "to gather," from PIE root *leg- (1) "to collect, gather." Intransitive sense "to form rings or spirals" is by 1798. Related: Coiled; coiling.

coil (n.)

1620s, "length of rope or cable," a specialized nautical sense from coil (v.). General sense "ring or series of rings in which a pliant body is wound" is from 1660s; hence, such a form forced onto a non-pliant body (1826). Specific sense "electrical conductor wound in a coil" is from 1849. Related: Coils.

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