untapped

English

Etymology tree

Proto-Indo-European *né

Proto-Indo-European *n̥-

Proto-Germanic *un-

Proto-West Germanic *un-

Old English un-

Middle English un-

English un-

English tapped

English untapped

From un- + tapped.

untapped (not comparable)

Not tapped; not drawn on in terms of resources.
- 2018, James Lambert, “A multitude of ‘lishes’: The nomenclature of hybridity”, in English World-Wide‎^[1], page 18:
  The author kindly welcomes notification of any terms overlooked, any antedatings of earliest attestations, and any untapped sources that may prove to be productive.
- 2022 April 6, “Open Access: Fewer, longer trains”, in RAIL, number 954, page 64:
  If 90% (often quoted) of the UK public don't use trains regularly, there is a huge untapped potential market for securing extra passengers.

not tapped