DSL - SND1   EH, int. In Sc. combs., usually employed to indicate affirmation, surprise, or dismay, e.g. eh aye (Bnff., Abd., Ags., m.Lth., Bwk., Kcb. 1945); eh-la (cf. Lan. dial. e-law); eh man (Abd., Fif., m.Lth., wm.Sc. 1945); eh sirs (Bnff., Abd., Fif., Knr., Slg., wm.Sc. 1945); see also SIRS; eh whow.
    *Fif. 1812 W. Tennant Anster Fair I. xxi.:
    Eh-la! what sight is this? --- what ails my mustard-pot?
    *Sc. 1814 Scott Waverley (1817) xv.:
    As nothing was to be got from this distracted chorus, excepting ``Lord guide us!'' and ``Eh sirs!''
    *Sc. 1815 Scott Guy M. xlv.:
    ``Eh whow! Eh whow!'' ejaculated the honest farmer, as he looked round upon his friend's miserable apartment.
    *Abd. 1871 W. Alexander Johnny Gibb viii.:
    Is there mair o' `t? Eh aye --- here's twa korters!

    Hence used as intr. v., to say eh!
    *Sc. 1824 Scott Redgauntlet vn.:
    The Justice looked to the Clerk --- the Clerk to the Justice; the former ha'd, eh'd, without bringing forth an articulate syllable.