Where does “tracer” come from?

Tracer comes from English trace, which derives from Old French -er, from Latin -are, ultimately from Latin traho meaning to draw or pull.

tracer (English): A compound, element, or isotope used to track the...

Definitions

  1. A compound, element, or isotope used to track the...

Ancestry of “tracer”, step by step

StepLanguageWordMeaning
1EnglishtraceAn act of tracing; An enquiry sent out for a...
2Middle EnglishtraceA trail, track or road; a pathway or route; One's...
3Old Frenchtracetrace (markings showing where one has been)
4Old Frenchtracier
5Latintractiāretrace, score, delineate
6Latintractusdragged, having been dragged; trailed, having...
7Latintraheresecond-person singular future passive indicative...
8LatintrahoI drag, pull; I trail; I extract, withdraw
9Proto-Italictraɣō
10Proto-Indo-Europeantregʰ-to drag, pull?; to run, walk
11Proto-Indo-Europeandʰregʰ-to run

Words derived from “tracer

Every word from Proto-Indo-European dʰregʰ-Every word from Proto-Indo-European tregʰ-Every word from Proto-Italic traɣō