n (and by metathesis fordéscin) i, f. (strictly d s., cf. déicsiu); n s. not recorded) surveying, observing, reconnoitring: rochuir techtaire do f.¤ ... na long, TTr.² 836 . foitir in fer ... do fordecsin ┐ do chor ṡulu tairsiu, LL 403a13 . do ḟordéscin gasraidi Gréc, 235a41 ( TTr. 1359 ). ic fordescain in muighi uathu, CCath. 3529 . g s. tánic ... aimser fordécsana in mara, TTr.² 439 = fordechsanu, LL 402a6 .