Where does “plummetless” come from?

plummetless (English) comes from English plummet, from Middle English plommet, from Old French plommet, from Old French plom, from Latin plumbum, from Ancient Greek μόλυβδος, from Proto-Indo-European morkʷ-iyo-.

plummetless (English): Unfathomably deep; unplumbable

Definitions

  1. Unfathomably deep; unplumbable

Ancestry of “plummetless”, step by step

plummetless traces back through two separate lines of ancestry.

via English plummet

StepLanguageWordMeaning
1EnglishplummetA piece of lead attached to a line, used in...
2Middle Englishplommetball of lead", "plumb of a bob-line
3Old Frenchplommet
4Old Frenchplom
5Latinplumbumlead; ball of lead; pipe of lead
6Ancient Greekμόλυβδοςlead; graphite
7Proto-Indo-Europeanmorkʷ-iyo-

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European morkʷ-iyo-Every word from Ancient Greek μόλυβδοςEvery word from Latin plumbum