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Etymology · Middle Dutch

*kitte

3 English words descend from Middle Dutch *kitte, most common first.

kitA circular wooden vessel, made of hooped staves.
kiteA bird of prey of the family Accipitridae.
ketA column vector, in Hilbert space, especially as representing the state of a quantum mechanical system; the complex conjugate transpose of a bra (a row vector); a ket vector. Symbolised by |...〉.