Where does “vocal tract” come from?

vocal tract (English) comes from English tract, from Latin tractus, from Latin trahere, from Latin traho, from Proto-Italic traɣō, from Proto-Indo-European tregʰ-, from Proto-Indo-European dʰregʰ- — to run.

vocal tract (English): Portion of the human body where speech sounds are...

Definitions

  1. Portion of the human body where speech sounds are...

Ancestry of “vocal tract”, step by step

vocal tract traces back through two separate lines of ancestry.

via English tract

StepLanguageWordMeaning
1EnglishtractAn area or expanse; A series of connected body...
2Latintractusdragged, having been dragged; trailed, having...
3Latintraheresecond-person singular future passive indicative...
4LatintrahoI drag, pull; I trail; I extract, withdraw
5Proto-Italictraɣō
6Proto-Indo-Europeantregʰ-to drag, pull?; to run, walk
7Proto-Indo-Europeandʰregʰ-to run

via English vocal

StepLanguageWordMeaning
1EnglishvocalOf or pertaining to the voice or speech; Having a...
2Middle Englishvocal
Every word from Proto-Indo-European dʰregʰ-Every word from Proto-Indo-European tregʰ-Every word from Proto-Italic traɣō