noun
orphan (text separated by page/paragraph break)
Rare computing term for a line or lines at the end of a paragraph that appear alone at the top of the next page or column. Contrasts with 分断後部 (widow).
See also: 分断後部
組版では、分断前部が発生しないように調整する。
In typesetting, adjustments are made to prevent orphans.
分断後部 refers to a widow (a short last line of a paragraph appearing at the top of a page), while 分断前部 refers to an orphan (lines separated from the rest of the paragraph by a break).
Compound of 分断 (division) + 前部 (front part), literally 'front part of a division', referring to the portion of text that becomes separated from its paragraph.