adj o (cf. cust?). caustal in LL. Later somet. gustal. In phrases prob. meaning held in, trussed, wrapped tightly or perh. simply fitted, arranged (of garments, us. the `léine'): lēne culpatach . . . imbi i custul, TBC-I¹ 3251 . i caustul, TBC-LL² 4405 . i caustul go glunib dó, 4316 . lene . . . i cústul fri gelcnes co glúnib dó, LU 6296 (TBC). i caustal fri cnessaib dóib, MU² 605 . tonaigh . . . i custal a gelcnis, CCath. 4671 . ? co n-da chet líag-nertaib nia / a n-gustalaib a crom-sgiath `fastened to their curved shields', Celt. Rev. ii 300.28 . leíne . . . uime fria ghusdal a ghílchnis, CF Eg. 261 . ardch. see 1 ard compds. c.¤ .i. trusdáladh, O'Cl. Cf. costal.