- laxity (n.)
- 1520s, from Middle French laxité, from Latin laxitatem (nominative laxitas) "width, spaciousness," from laxus (see lax).
- spacious (adj.)
- late 14c., from Old French spacios, espacios "roomy, spacious, extensive" (12c., Modern French spacieux), or directly from Latin spatiosus "roomy, ample" (Medieval Latin spaciosus), from spatium "room, space" (see space (n.)). Related: Spaciously; spaciousness.