penciling eyebrows; drawing eyebrows
Literary or technical term for the act of drawing or shaping eyebrows with a pencil or brush. Often encountered in historical or beauty-related contexts.
Women in the Heian period used ink for drawing their eyebrows.
この化粧品店では、画眉の道具が豊富に揃っている。
This cosmetics store has a wide selection of eyebrow-drawing tools.
From Chinese 畫眉 (huàméi), meaning 'to draw eyebrows'. The Japanese reading is on'yomi.