Yeah, as Lughaidh says, that’s just an older spelling of what’s now spelled “imeoidh,” future of “imigh.”
Originally from imm-téit I think in Old Irish. “Imm/imb” = the modern preposition “um,” ‘about,’ ‘around,’ &c., + “téit” ‘goes.’ So literally ‘to go around, about,’ &c.…
[url=http://dil.ie/results-list.asp?Fuzzy=0&cv=1&searchtext;=(id contains I) and (column contains 101)&sortField=ID&sortDIR=65602&respage=0&resperpage=10&bhcp=1]Imm, imb[/url]
[url=http://dil.ie/results-list.asp?Fuzzy=0&cv=1&searchtext;=(id contains T) and (column contains 124)&sortField=ID&sortDIR=65602&respage=0&resperpage=10&bhcp=1]Téit[/url]
[url=http://dil.ie/results-list.asp?Fuzzy=0&cv=1&searchtext;=(id contains I) and (column contains 155)&sortField=ID&sortDIR=65602&respage=0&resperpage=10&bhcp=1]Imm-téit[/url]
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