conditioner

nouns

exercise that conditions the body
"farm work can be a good conditioner"
is derived from
is a type of (narrower)
exercise intended to strengthen the circulatory system
a trainer of athletes
is derived from
is a type of (narrower)
(sports) someone in charge of training an athlete or a team
a substance used in washing (clothing or hair) to make things softer
is derived from
is a type of (narrower)
a substance added to another to make it less hard