Used as combining form of L. flāvidus; in Natural History descriptions occas. prefixed to other adjs. to indicate a yellowish tint.
1871. W. A. Leighton, Lichen-Flora, 41. C[alicium] trichiale, Ach. flavido-cinerascent, or cinereo-glaucescent, minutely granuloso-squamulose. Ibid., 88 A[lectoria] cana, Ach. pallido-canescent or pale flavido-rufescent.
