also: すこう
noun
several lines; several streaks
Used for countable lines or streaks, such as birds flying in formation, tears running down a face, or rows of text. Often appears with counters or in descriptive contexts.
空に数行の鳥が飛んでいた。
Several lines of birds were flying in the sky.
彼女の頬には数行の涙が伝って
Several streaks of tears ran down her cheeks.
Obsolete kana usage; the reading すうこう is modern standard.
Compound of 数 (several) and 行 (line/row). The reading すうこう follows standard on'yomi; すこう is an older, now obsolete reading.