usque

Etymology tree
Proto-Indo-European *wed-
Proto-Indo-European *-r̥
Proto-Indo-European *wódr̥der.
Proto-Celtic *udenskyos
Old Irish uisce
Irish uisce
Proto-Indo-European *gʷeyh₃-
Proto-Indo-European *-wós
Proto-Indo-European *gʷih₃wós
Proto-Celtic *biwos
Proto-Celtic *-tūts
Proto-Celtic *biwotūts
Old Irish bethu
Irish beatha
Medieval Latin aqua vītaecalq.
Irish uisce beathabor.
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Old Irish uisce
Scottish Gaelic uisge
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Old Irish bethu
Scottish Gaelic beatha
Medieval Latin aqua vītaecalq.
Scottish Gaelic uisge-beathabor.
English usquebaugh
English usque
Abbreviation of usquebaugh, from Irish uisce beatha (“water of life”) and Scottish Gaelic uisge beatha (“water of life”). Compare whisky and obsolete whiskybae.