An Etymological Dictionary of Astronomy and Astrophysics

Leakage phenomenon in a filter, causing an unwanted response to the blue or green light.

Etymology (EN): → blue; leak, from M.Du. leken “to drip, to leak,” or from O.N. leka, cognate of O.E. leccan “to moisten,” from P.Gmc. *lek- “deficiency” (cf. O.H.G. lecchen “to become dry,” Ger. lechzen “to be parched with thirst”).

Etymology (PE): Našt “leak,” origin unknown; âbi, → blue.