Where does “тренерский” come from?

тренерский (Russian) comes from Russian тре́нер, from English trainer, from English train, from Middle English train, from Old French train, from Old French traïner, from Vulgar Latin traginare, from Latin tragēre — to run.

тренерский (Russian): trainer, coach, coaching

Definitions

  1. trainer, coach, coaching

Ancestry of “тренерский”, step by step

StepLanguageWordMeaning
1Russianтре́нерcoach, trainer
2EnglishtrainerA person who trains another; a coach; A person...
3EnglishtrainElongated portion; Connected sequence of people...
4Middle Englishtrain
5Old Frenchtraina delay, a drawing out
6Old FrenchtraïnerAlternative form of trainer; to pull out, to draw
7Vulgar Latintraginarepresent active infinitive of *traginō
8Latintragēre
9Latintraheresecond-person singular future passive indicative...
10LatintrahoI drag, pull; I trail; I extract, withdraw
11Proto-Italictraɣō
12Proto-Indo-Europeantregʰ-to drag, pull?; to run, walk
13Proto-Indo-Europeandʰregʰ-to run
Every word from Proto-Indo-European dʰregʰ-Every word from Proto-Indo-European tregʰ-Every word from Proto-Italic traɣō