芳ほう香こう油ゆほうこうゆMeanings1nounfragrant oil; essential oilrare termRare term; the more common word is 精油 (せいゆ). Used in technical or descriptive contexts for aromatic oils.See also: 精油この芳ほう香こう油ゆはラベンダーから抽ちゅう出しゅつされたものです。This fragrant oil is extracted from lavender.