English

lookbehind

Deverbal from look behind.

A compound of look + behind

Proto-West Germanic *lōkōn ‘to look’

Old English lōcian ‘to look’

Middle English loken ‘to look’

English look

Proto-West Germanic *bihindan ‘on the back side of, behind’

Old English behindan ‘on the back side of, behind’

Middle English behinde

Today it means

noun The analysis of the preceding characters before the regular expression is matched.

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

Etymograph / lookbehind