Cite this: eDIL s.v. fo-tá or

v is beneath, under: cid fotha ní ? ... Fil firu ... fóó `what is underneath [them] ?' ZCP ii 315.16 . Rī fotāt huili na sloig under which are SR 3837 . imcomarc flatha Femin | fataít [fotat v.l.] mail Macha i Mumain IT iii 13 § 24 . The two latter possibly represent the prep. fo in rel. construction with -tá.

In follg. ex. fo simply replaces NO, RO : amhail bidh ina seasamh fobeitis as though they were standing Aisl. Tund. 98.18 . gach ní fobúi lais all he possessed 94.14 .