天狗の首領である日本八大天狗の1人、鞍馬山僧正坊の身に纏っている僧衣の襟立衣が妖怪化したものとされる。

Sojobo of Mt. Kurama (also called Kurama Tengu), one of the eight greatest Japanese tengu (long-nosed goblins), used to wear a clerical robe with a standing collar, which reportedly transmuted into a yokai and was thus named the Eritate-goromo. - Wikipedia日英京都関連文書対訳コーパス

なお「日本の首領」で三船敏郎、佐分利信、片岡千恵蔵が同じ場面で競演した際には、挨拶の順は1)三船（1920生、戦後デビュー）が二人に挨拶し、2)次に佐分利（1909生、1931デビュー）が片岡に「佐分利でございます」と挨拶して3)最後に千恵蔵（1903生、1927デビュー）が「おう」と返事を済ませて大物同士の挨拶が済んだとされる。

When Toshiro MIFUNE, Shin SABURI, and Chiezo KATAOKA performed together in the same scene of the yakuza film 'Nihon no Don,' they greeted each other in the following fashion: first, Mifune (born in 1920 and who made his debut after the Second World War) said hello deferentially to the two seniors, then Saburi (born in 1909 and debuting in 1931) introduced himself to Kataoka with the words 'I'm Saburi, sir,' and lastly Kataoka (born in 1903 and debuting in 1927) said to the two juniors, 'Hello, guys.' - Wikipedia日英京都関連文書対訳コーパス