Archaic word for a door or doorway. In modern Japanese, 戸 (と) or ドア is used instead.
古い文献では「屋戸」と書いて「やど」と読ませ、戸口を指すことがある。
In old texts, 屋戸 is read as やど and can refer to a doorway.
A native compound of 屋（や）, “house,” and 戸（と）, “door,” with sequential voicing of と to ど.