Words and Proper Names

labhaois

396.
Ó Siadhail (Mícheál): Irish labhaois, labhaoiseach.
In Celtica 17 (1985), p. 158.
Labhaois ‘extravagance, wastefulness, exaggeration, excess’, from (obsolete) Engl. lavish, from OFr lavasse, lavache ‘deluge of rain’.