油蘇 (yóu sū) 　( “oil (and) butter” )

{not found at 《漢語大詞典》5.1082.} ; {not found at 《大漢和辞典》6.1023.} ;

Dharmarakṣa: {130c25} 何況具足隨時持、説、書在經卷，若以供養華、香、幢幡、蓋、雜香、………、黄蓮、白蓮，稍(v.l. 消)著油、蘇，以用然燈？(p)

{K.403.3} taila-(pradīpa~) vā ghṛta-(pradīpa~) vā

Kumārajīva: {L.59b23} 酥(燈)、油(燈) 

A Digital Edition of A Glossary of Dharmarakṣa translation of the Lotus Sutra by Seishi Karashima, 1998