un·guent
noun/ˈʌŋɡwənt/
/ˈʌŋɡwənt/
[countable, uncountable] (formal)- a soft substance that is used for rubbing onto the skin to help a wound or a painful area to stop hurting and get better
药膏；软膏 Word Originlate Middle English: from Latin unguentum, from unguere ‘anoint’.