خَفًا

[more properly written خَفًى] A thing that is unperceived or imperceptible, [or hardly perceived or perceptible,] unapparent, or not apparent; [latent; obscure; &c.; (see 1, first sentence;)] (JK, K;) as also ↓ خَافِيَةٌ and ↓ خَافٍ [for شَىْءٌ خَافٍ, the explanation in the JK]. (K.) [See also خَفَاءٌ.]