noun, noun or participle which takes 'suru', intransitive verb
proceeding to; going to (a superior's place)
Formal, humble expression for going to a superior's location or a formal event. Rare in modern conversation; mostly found in historical or very formal written contexts.
古い手紙に「明日、御前に参向いたします」と書いてあった。
An old letter read, 'I will humbly proceed to your presence tomorrow.'
Compound of 参 (to go, to visit, with humble connotation) and 向 (to face, to proceed toward). The exact historical derivation is uncertain, but the combination conveys formally proceeding toward a superior.