Where does “máy bay lên thẳng” come from?

máy bay lên thẳng (Vietnamese) comes from Vietnamese máy bay, from Vietnamese bày, from Proto-Vietic pər, from Persian پر, from Middle Persian purr, from Proto-Iranian pr̥Hnáh, from Proto-Indo-Iranian pr̥Hnás, from Proto-Indo-European pl̥h₁nós — to fill.

máy bay lên thẳng (Vietnamese): helicopter

Definitions

  1. helicopter

Ancestry of “máy bay lên thẳng”, step by step

máy bay lên thẳng traces back through 3 separate lines of ancestry.

via Vietnamese máy bay

StepLanguageWordMeaning
1Vietnamesemáy bayairplane, aeroplane
2Vietnamesebàyto arrange; to dispose; to display
3Proto-Vieticpərto fly
4Persianپرfull; feather; wing
5Middle Persianpurr—
6Proto-Iranianpr̥Hnáhfull, filled
7Proto-Indo-Iranianpr̥Hnásfull, filled
8Proto-Indo-Europeanpl̥h₁nósfull
9Proto-Indo-Europeanpleh₁-to fill

via Vietnamese lên

StepLanguageWordMeaning
1Vietnameselênto go up, come up, rise; to be or reach a certain...
2Frenchlainewool
3Middle Frenchlaine—
4Old Frenchlainne—
5Latinlānawool
6Proto-Indo-Europeanh₂wĺ̥h₁neh₂wool
7Proto-Indo-European-nósCreates verbal adjectives from roots

via Vietnamese thẳng

StepLanguageWordMeaning
1Vietnamesethẳngstraight
2Chinese湯—
3Proto-Sino-Tibetanr-la(w)ŋsteam; hot
Every word from Proto-Indo-European pleh₁- →Every word from Proto-Indo-European pl̥h₁nós →Every word from Proto-Indo-Iranian pr̥Hnás →