trace

trace verb [ T ] uk/treɪs/ us trace verb [T]
(ORIGIN)

to find the origin of something

устанавливать происхождение чего-либо
She's trace d her family back to the sixteenth century. They were able to trace the call (= find out the number of the telephone used). trace verb [T]
(COPY)

to copy a picture by putting transparent paper on top and following the outer line of the picture with a pen

калькировать
tracing paper

TRACE noun

uk/treɪs/ us trace noun
(SMALL AMOUNT)

a small amount of something

небольшое количество
They found trace s of blood on his clothing.