soutane (n.)youdaoicibaDictYouDict[soutane 词源字典]
"long, buttoned gown or frock with sleeves, outer garment of Roman Catholic ecclesiastics," 1838, from French soutane, from Old French sotane "undershirt," from Medieval Latin subtana "an under-cassock," from Latin subtus "beneath, under, below" (see sub-).[soutane etymology, soutane origin, 英语词源]