Meaning

noun a series of waves in the hair made by applying heat and chemicals

adjective continuing or enduring without marked change in status or condition or place

adjective not capable of being reversed or returned to the original condition

originFrom Middle English permanent, permanente, from Middle French permanent, from Latin permanēns, from permaneō (“to stay through”). First attested in the 15th century.

Etymology from Wiktionary, CC BY-SA 3.0