宿屋

Compound of 宿(やど) (yado, “inn, hotel”) + 屋(や) (ya, “roof, house, building”).^[1][2][3]

First cited to 1120.^[1]

• (Tokyo) やどや [yàdóyá] (Heiban – [0])^[3]
• IPA^(key): [ja̠do̞ja̠]

宿(やど)屋(や) • (yadoya) 

1. [from 1120] one's overnight lodgings

   Synonym: 宿泊所 (shukuhakusho)

2. [from 1705] inn, a traveller's hostel
3. [from 1678] (historical) during the Edo period, a high-end restaurant, banquet hall, or similar entertainment establishment where high-end courtesans would perform and wait on customers

   Synonym: 揚屋 (ageya)

Compound of 宿(しゅく) (shuku, “inn, hotel”) + 屋(や) (ya, “roof, house, building”), using the on'yomi reading for the 宿 kanji.^[1]

Appears to be a dialectal regionalism used in the Echizen area, which apparently arose from the practice of using prettier and fire-resistant roofing materials for the stations (inns) along the old post roads.^[1]

• IPA^(key): [ɕɨkɯ̟ja̠]

宿(しゅく)屋(や) • (shukuya) 

1. a house with a roof covered in 瓦 (kawara, “ceramic roofing tiles”) or cedar shingles