- gu'm
- gu'n, gu'mthat, Greek $$Go$$`/ti, Irish go, Old Irish co, con. Windisch considers this the prep. con, with, and co, to; Zim. and Thurneysen regard it as from co, to (see gu). The latter explains the n as the relative: *co-sn, a view supported by the verbal accent being on the first syllable and by the occasional form conn(?) See cha'n.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.