alula

名词 n.

英文释义

名词 n.
  1. A small projection of three or four feathers on the first digit of the wing on some birds.
    — More recently, the upturned wing tips of jet aircraft mimic the "fingers" of birds' terminal primary feathers, and the slotted leading edges of aircraft wings are directly copied from the alula ("thumb" wings) in birds.
  2. A flower, a species of Hawaiian lobelioid.

词形变化

alulae plural alulas plural alulas plural

词源

词源 1
Etymology tree
Proto-Indo-European *h₂eǵ-?
Proto-Indo-European *-os
Proto-Indo-European *h₂eḱs-der.
Proto-Italic *aksis
Latin axis
Latin *axla
Latin ala
Proto-Indo-European *-lós
Proto-Indo-European *-elós
Proto-Italic *-elos
Latin -ulus
Latin -ulabor.
English -ula
English alula
From Latin ala (“wing”) + English -ula.
词源 2
Etymology tree
Hawaiian ʻŌlulubor.
English alula
Borrowed from Hawaiian ʻŌlulu.
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