unplummetable en · ADJ
Etymology
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 plummet Proto-Indo-European *-dʰlom Proto-Italic *-ðlom Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English unplummetable From un- + plummet + -able.
Meanings
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(not-comparable) unable to be fathomed
2004: Immeasurable and unplummetable fathoms / too deep for sounding or for any anchor — Derek Walcott, The Prodigal, (Farrar, Straus and Giroux, 2004) page 102.