Etymology Explorer › English

Where does “porthole” come from?

Porthole comes from English portal and English hole, ultimately from Latin porta meaning door or gate, and Latin oleum meaning oil, derived from Ancient Greek ἔλαιον and Proto-Indo-European per-.

porthole (English): A gunport; an opening in the hull of a ship...

Definitions

  1. A gunport; an opening in the hull of a ship...

Ancestry of “porthole”, step by step

StepLanguageWordMeaning
1EnglishPort—
2EnglishportfolioA case for carrying papers, drawings,...
3Italianportafogliowallet, billfold; portfolio
4Italianfogliosheet
5Latinfoliuma leaf; a petal; a sheet or leaf of paper
6Proto-Italic*foljom—
7Proto-Indo-Europeanbʰolh₃yomleaf
8Proto-Indo-Europeanbʰleh₃-bloom, flower
9Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
10Proto-Indo-Europeanbʰōl-—

Words derived from “porthole”

  • portholed
  • portholelike
Every word from Proto-Indo-European bʰōl- →