出典:Wiktionary
From be- + stay, from Middle English *stayen, steyen, from Old French estaier, estayer (“to prop, stay, support”), from estaye (“prop, support”), of Proto-Germanic origin. More at stay.
bestay (三人称単数 現在形 bestays, 現在分詞 bestaying, 過去形および過去分詞形 bestayed)