holding a lamp in one's hand
Rare literary noun describing the act of holding a lamp or candle; not used in modern everyday Japanese.
「秉燭」 is an old word that describes the state of holding a lamp in one's hand.
Rare literary noun for the time when one would need to hold a lamp; essentially synonymous with early evening or dusk.
In classical texts, 「秉燭」 can refer to the time of dusk.