Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From often + time interjectionconj., after oft-time.
Definition of oftentime in US English:
oftentime
adverb
US
Oftentimes.
adjective
US
Frequent. rare.
Origin
Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From often + time [interjection, conjunction], after oft-time.