EXAMPLES FROM THE WEB FOR HEEL
He grew pale with passion, turned on his heel, and strode away.
The big man opened his mouth to say something more, then turned on his heel.
With an oath he turned on his heel and made for the uplands.
"You've treated me damned badly," said Banstead, turning on his heel.
Buck would turn on his heel and stand, towering, in the door.
And then they came to the edge of the cliff, where the heel marks ended.
He had bit the heel of more than one man in his drinking bouts.
The Diné, whirling on his heel, met the arrow with his throat, and pitched choking.
If people questioned him, he always turned on his heel and left them.
When there is a Point behind the sinking Mark, it denotes, that the Heel must be bent downwards.
"back of the foot," Old English hela, from Proto-Germanic *hanhilon (cf. Old Norse hæll, Old Frisian hel, Dutch hiel), from PIE *kenk- (3) "heel, bend of the knee" (cf. Old English hoh "hock").
Meaning "back of a shoe or boot" is c.1400. Down at heels (1732) refers to heels of boots or shoes worn down and the owner too poor to replace them. For Achilles' heel "only vulnerable spot" see Achilles. To "fight with (one's) heels" (fighten with heles) in Middle English meant "to run away."