the world > movement > impact > impinge upon [verb (transitive)] > cause to impinge > specific light or shade (2)
transitive. ? To send out or forth (a beam of light); to cause to impinge on (cf. 62b). literal and figurative. Obsolete.
To emit, send forth, give out, diffuse (light, a sound, odour, etc.); to throw or cause to fall (light or shade) on or over an object. Also, to fli…