Where does “spec home” come from?

spec home (English) comes from English spec, from English Spectrum, from Latin spectrum, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti — to see, to look, to observe.

spec home (English): A home that is built by or for a homebuilder according to their specifications without a purchase order; it is instead built on spec

Definitions

  1. A home that is built by or for a homebuilder according to their specifications without a purchase order; it is instead built on spec

Ancestry of “spec home”, step by step

spec home traces back through two separate lines of ancestry.

via English spec

StepLanguageWordMeaning
1EnglishspecClipping of specification; Clipping of...
2EnglishSpectrumA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes
3Latinspectrumappearance, image; apparition, specter
4Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
5Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
6Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
7Proto-Hellenicsképťomaito look at
8Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
9Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English Home

StepLanguageWordMeaning
1EnglishHomeA key that when pressed causes the cursor to go...
2Middle Englishhōmhome, residence, dwelling
3Old Englishhāmhome; village, community; village, hamlet, manor,...
4Proto-West Germanichaimhome
5Proto-Germanichaimazhome; house; village
6Proto-Indo-Europeanḱóymosof the home, belonging to the family; village,...
7Proto-Indo-Europeanḱey-to be lying down; to settle
Every word from Proto-Indo-European speḱ-