Home › Words › O › ochdamhochdamhochdamh · noun — an obsolete Scots unit equal to ¹⁄₈ daugh, notionally comprising 50 Scottish acres.Definition from Wiktionary (CC BY-SA 3.0).EtymologyBorrowed from Scottish Gaelic ochdamh (“eighth”), from Old Irish ochtmad, from Proto-Celtic *oxtūmetos.nounAn obsolete Scots unit equal to ¹⁄₈ daugh, notionally comprising 50 Scottish acres.Definitions & examples from Wiktionary (CC BY-SA 3.0).