chaperone
UK[ˈʃæpərəʊn]US[ˈʃæpəroʊn]
n
an older person, especially a woman, who accompanies a young unmarried woman in public to ensure proper behavior
n
a person who accompanies and supervises a group of young people, especially on a trip or at a social event
v
to act as a chaperone for someone
Etymology
the word 'chaperone' entered english in the 18th century from the french word 'chaperon', meaning a 'hood' or 'protector'. the french term itself derived from the old french 'chape', meaning 'cape' or 'hood', which traces back to the late latin 'cappa' (a head-covering or cloak). the semantic evolution is vividly metaphorical: just as a hood or cape protects the head from the elements, a chaperone protects a young person's social reputation. over time, the meaning shifted from the literal garment to the person providing protection and supervision, solidifying its modern social role.
Analysis
the word is a simplex loanword; its spelling and form are borrowed as a whole from french.
Examples
her aunt agreed to act as her chaperone for the evening dance.
all school trips require at least one teacher to chaperone the students.
in the novel, the young heiress was never seen without her strict chaperone.