Words and Proper Names

leath-mhall

1167.
Mac Cana (Proinsias): Varia: V. 2. Irish leth-, Welsh lled ‘quite, considerably’.
In Ériu 53 (2003), pp. 180–181.
Represents a semantic development from leth- ‘half’; Irish exx. include leithdeimhin ‘almost certain’, leath-gharbh ‘quite wild’, leath-mhall ‘late enough’, leath-shéidte 'blown strongly’.