en route
https://gyazo.com/205b27389e17fbcdd795584d058b3c87
adverb
during
the
course
of a
journey
;
on the way
:
«…への/…からの» 途中で(
on the way
) «to, for/from»
e.g.
he stopped in Turkey en route to Geneva.
ORIGIN
late
18th century
:
French
(see
route
).