Where does “headspace” come from?

Headspace combines English head with English space, where head derives from Old English hēafod, and space comes from Latin spatium, both ultimately from Proto-Indo-European roots meaning the upper body part and expanse respectively.

headspace (English): The space between the top of the contents of a...

Definitions

  1. The space between the top of the contents of a...

Ancestry of “headspace”, step by step

headspace traces back through two separate lines of ancestry.

via English head

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

via English space

StepLanguageWordMeaning
1Englishspace"Of time."; "Unlimited or generalized extent,...
2Middle Englishspace
3Old Frenchespacespace; room; duration
4LatinspatiumSpace, room, extent; Distance between points; A...
5Proto-Indo-Europeanspéh₁-to succeed, to prosper
6Proto-Indo-Europeanspeh₁-to succeed, to prosper
Every word from Proto-Indo-European -ḱos