site of a Buddhist mortuary tablet
Refers to the location or altar where a Buddhist memorial tablet (位牌) is placed, typically in a temple or home butsudan.
The ancestral mortuary tablets are enshrined at the temple's tablet site.
Compound of 位牌 (ihai, 'mortuary tablet') and 所 (sho, 'place'). The reading いはいじょ follows standard on'yomi.