Where does “bleed hole” come from?

bleed hole (English) comes from English bleed, from Middle English bleden, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos — adjectival suffix.

bleed hole (English): A small, purposeful opening found in objects (e.g. glass panes, metal plates, airplane windows, etc.) to equalise air pressure and prevent condensation and fogging

Definitions

  1. A small, purposeful opening found in objects (e.g. glass panes, metal plates, airplane windows, etc.) to equalise air pressure and prevent condensation and fogging

Ancestry of “bleed hole”, step by step

bleed hole traces back through two separate lines of ancestry.

via English bleed

StepLanguageWordMeaning
1EnglishbleedTo lose blood through an injured blood vessel; To...
2Middle Englishbledenplural of blede; To bleed; to experience blood...
3Middle English-enDenotes the past participle form when attached to...
4Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
5Old Norse-innUsed to create adjectives from nouns, meaning...
6Proto-Norse-īna-
7Proto-Germanic-īnaz-en
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix

via English hole

StepLanguageWordMeaning
1EnglishholeA hollow place or cavity; an excavation; a pit;...
2Middle Englishholehealthy; safe; whole, complete, full
3Old Englishhola hole, a hollow; calumny; slander
4Proto-West Germanicholhollow; hole
5Proto-Germanichuląa hollow; depression; hole
6Proto-Germanichulazhollow
7Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European -no-