English

jacktop

From jack + top.

A compound of jack + top

Middle Dutch Jan ‘John’

Middle Dutch Janke

Anglo-Norman Jakke

Middle English Jakke

English Jack

English jack

Proto-Germanic *tuppaz ‘braid’

Proto-West Germanic *topp ‘top’

Old English topp ‘top’

Middle English top ‘the peak of a mountain or other landform’

English top

Today it means

noun The top of a jack.

Language periods are conventional ranges, not dates for this word.