c.1300, "neck armor, gorget," from Old French coler "neck, collar" (12c., Modern French collier), from Latin collare "necklace, band or chain for the neck," from collum "the neck," from PIE *kwol-o- "neck" (cf. Old Norse and Middle Dutch hals "neck"), literally "that on which the head turns," from root *kwel- "move round, turn about" (see cycle (n.)). Late 14c. as "border at the neck of a garment."
1550s, "to grab (someone) by the collar or neck," from collar (n.). Meaning "to capture" is attested from 1610s. Related: Collared; collaring. As a past participle adjective, collared "wearing a collar" is from late 14c.
Very angry: The Puerto Ricans who get hot under the collar and curse aloud if anyone should question their being Puerto Rican (1895+)
An arrest •The earliest form is put the collar on: The bull makes a collar on me/ The best collar in recent years (1865+)
(Heb. peh), means in Job 30:18 the mouth or opening of the garment that closes round the neck in the same way as a tunic (Ex. 39:23). The "collars" (Heb. netiphoth) among the spoils of the Midianites (Judg. 8:26; R.V., "pendants") were ear-drops. The same Hebrew word is rendered "chains" in Isa. 3:19.