ichidan verb
beat; floor; bring to one's knees; come
Causative form of 参る (まいる), literally 'to make someone go/come' or 'to make someone defeated'. Used for overwhelming someone physically, mentally, or in competition. The gloss 'to come' is a rare euphemistic use, typically in older or literary contexts.
彼の強烈なパンチは相手を完全に参らせた。
His powerful punch completely floored his opponent.
この難問には参らせられた。
I was brought to my knees by this difficult problem.