English
lookahead
Deverbal from look ahead.
Proto-West Germanic *lōkōn ‘to look’
Old English lōcian ‘to look’
Middle English loken ‘to look’
English look
Today it means
noun The analysis in advance of subsequent decisions that would be made if a particular branch of an algorithm was followed.
Language periods are conventional ranges, not dates for this word.
Etymograph / lookahead