1888, from verbal phrase; see hold (v.) over (adv.), which is attested from 1640s (intransitive) "remain in office beyond the regular term;" 1852 (transitive) "reserve till a later time."
a holdover from the sixties
hokum
hold
holder
holding
hold-out
holdover
hold-up
hole
hole-in-the-wall
holey
holiday
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