Where does “laccolithic” come from?

laccolithic (English) comes from English laccolith, from Ancient Greek λάκκος, from Proto-Indo-European lókus — pond, pool.

laccolithic (English): Relating to laccoliths

Definitions

  1. Relating to laccoliths

Ancestry of “laccolithic”, step by step

laccolithic traces back through two separate lines of ancestry.

via English laccolith

StepLanguageWordMeaning
1EnglishlaccolithA mass of igneous or volcanic rock found within...
2Ancient Greekλάκκοςpond in which water-fowl are kept; cistern, tank;...
3Proto-Indo-Europeanlókuspond, pool

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European lókusEvery word from Ancient Greek λάκκοςEvery word from English laccolith