pledge
UK[plɛdʒ]US[plɛdʒ]
n
a formal, solemn promise or agreement.
n
something given as security for the fulfillment of a contract or the payment of a debt.
v
to formally promise to give or do something.
v
to give something as a pledge or security.
Etymology
the word 'pledge' entered english from the old french 'plege', which denoted a person acting as security or a guarantee. this old french term is traced back to the late latin 'plebium', a word believed to be borrowed from frankish or another west germanic language, related to old high german 'pflegan' meaning 'to care for, be responsible for'. the semantic journey moved from the concrete concept of a person held as a guarantee to the more abstract modern meanings of a solemn promise or an object given as security. this evolution reflects a shift from a physical hostage to a symbolic token or verbal commitment that binds one's honor or property.
Analysis
the word 'pledge' is a simplex word. it is a loanword from old french 'plege', meaning 'surety, hostage, security', which itself came from late latin 'plebium', likely of germanic origin. the core element functions as a complete lexical unit.
Examples
he made a pledge to donate a portion of his earnings to charity.
she left her necklace as a pledge for the loan.
all new members must pledge allegiance to the club's constitution.