Words and Proper Names

fo-ceil

639.
Lindeman (Fredrik Otto): Varia: II. On some Celtic compound verb forms.
In Ériu 46 (1995), pp. 167–170.
On the lack of lenition following preverbs originally ending in a vowel ‘in loose composition’ in Old Irish verbs such as do-beir, fo-cain, fo-ceil. Cf. the author’s Addendum ad Études celtiques XV, 495ff, in ÉtC 23 (1986), pp. 58-61.