acr-

combining form
variants: or acro-

Definition of acr-

1 : beginning : end : tip
  • acronym
2 a : top : peak : summit
  • acropetal
b : height
  • acrophobia

Origin and Etymology of acr-

Greek akro-, from ákros "at the farthest extreme, topmost," going back to Indo-European *h2eḱ-r- (derivative of the base *h2eḱ- "pointed"), whence also Latin ācer, ācris "sharp, pointed, biting," (with irregular lengthening), Sanskrit aśri- "corner, angle, edge," Middle Irish ér "noble, great," Old Church Slavic ostrŭ "sharp," Lithuanian (16th-century) aštras — more at 1edge


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unwilling or reluctant

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