Where does “nonlookahead” come from?

nonlookahead (English) comes from English lookahead, from English ahead, from English head, from English -y, from Middle English -y, from Old English -iġ, from Proto-West Germanic -g, from Proto-Germanic -gaz — -y, -ic.

nonlookahead (English): Not using, or not pertaining to, lookahead

Definitions

  1. Not using, or not pertaining to, lookahead

Ancestry of “nonlookahead”, step by step

nonlookahead traces back through two separate lines of ancestry.

via English lookahead

StepLanguageWordMeaning
1EnglishlookaheadThe analysis in advance of subsequent decisions...
2EnglishaheadIn or to the front; in advance; onward; In the...
3EnglishheadThe part of the body of an animal or human which...
4English-yAdded to nouns and adjectives to form adjectives...
5Middle English-yDesignates an adjective, in many cases formed by...
6Old English-iġ-y, -ic
7Proto-West Germanic-gForms adjectives from nouns and verbs with a...
8Proto-Germanic-gaz-y
9Proto-Indo-European-ḱos-y, -ic

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -ḱosEvery word from English -yEvery word from Old English -iġ