Doorleaf

e) Three doorleafs with connections for the fans.[…]The doorleafs are mounted and the fans are connected.

Source: wiktionary

In new construction or alterations to existing doorways an alternative may be for doorleafs to be offset, as shown in 5.15.

Source: wiktionary

Apart from the arabesque motifs, geometric motifs are also applied by Malay craftsmen doorleafs, ventilation panels, wall panels, railing and partitions.

Source: wiktionary

Maximum total glazed area in doorleafs with access to a single stairway / Maximum total glazed area in doorleafs with access to more than one stairway

Source: wiktionary