Where does “eyestreak” come from?

eyestreak (English) comes from English Eye, from English -some, from Middle English -som, from Old English sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

eyestreak (English): A streak of contrasting color over the eye of a bird

Definitions

  1. A streak of contrasting color over the eye of a bird

Ancestry of “eyestreak”, step by step

eyestreak traces back through two separate lines of ancestry.

via English Eye

StepLanguageWordMeaning
1EnglishEyeA place name
2English-someCharacterized by some specific condition or...
3Middle English-somsome; having a specific quality
4Old Englishsumsome
5Proto-West Germanic*sumsome
6Proto-Germanicsumazsome (one), a certain (one)
7Proto-Indo-Europeansem-together, one

via English streak

StepLanguageWordMeaning
1EnglishstreakAn irregular line left from smearing or motion; A...
2Middle Englishstreke
3Old Englishstrica
4Proto-Germanicstrikizline
5Proto-Indo-Europeanstreyg-to strike; to shear
6Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...
Every word from Proto-Indo-European sem-
eyestreak — Etymology, Origin & Word History | Etymology Explorer