There are several suppletive comparative and superlative forms in Irish; in addition to the ones listed above, there is:fada, "long"; comparative níos faide or níos sia — fada is from Old Irish fota, from Proto-Indo-European *wasdʰos (“long, wide”); compare Latin vāstus (“wide”), while sia is from Old Irish sír ("long, long-lasting"), from Proto-Celtic *sīros (“long”); compare Welsh/Breton hir.
There are several suppletive comparative and superlative forms in Irish; in addition to the ones listed above, there is:fada, "long"; comparative níos faide or níos sia — fada is from ,Old Irish fota, from Proto-Indo-European *wasdʰos (“long wide”); compare Latin vāstus (“wide”), while sia is from Old Irish sír ("long, long-lasting"), from Proto-Celtic *sīros (“long”); compare Welsh/Breton hir.