chum
Definitions (by source)
also do chum, used as prep. (with foll. gen.) and, with foll. go as compound conj.; see Introduction pp 33, 39
Aibidil Gaoidheilge & Caiticiosma: Seaán Ó Cearnaigh's Irish primer of religion, published in 1571. Editor: Brian Ó Cuív.