From Old Norse 'gap' (chasm) — related to 'gape' and the primordial void Ginnungagap of Norse mythology.
A break or opening between two objects; an unfilled space.
From Old Norse 'gap' (chasm, open mouth), related to 'gapa' (to gape). In Norse mythology, the primordial void was 'Ginnungagap.' Key roots: gapa (Old Norse: "to gape, open wide").