noun
your visit; your presence
Honorific noun used to refer respectfully to someone's visit or presence. Often appears as ご光来 in letters and formal invitations.
ご光来を賜り、誠にありがとうございます。
We are deeply grateful for your gracious visit.
ご光来の折には、ぜひお立ち寄りください。
Please do drop by when you are in the area.
The kanji 光 (light, honor) and 来 (come) combine to convey the idea of an honored arrival. The exact historical derivation is uncertain, but the word is conventionally used as a respectful term for someone's visit.