応援
おうえん · ouen · JLPT N3 · noun
help
📣 応援 = respond (応) + rescue (援): answering a call for help
応 means respond, as in 反応 (reaction). 援 means aid, as in 救援 (rescue). Together they mean answering someone with support, which is why 応援 is also the everyday word for cheering on a team.