Meaning

noun a large mass of ice floating at sea; usually broken off of a polar glacier

noun lettuce with crisp tightly packed light-green leaves in a firm head

originEtymology tree Proto-Indo-European *h₁eyH- Proto-Indo-European *h₁eyH-so-der. Proto-Germanic *īsą Proto-West Germanic *īs Old English īs Middle English is English ice ▲ Dutch ijsbergpcalq. English iceberg Partial calque of Dutch ijsberg (compound of ijs (“ice”) + berg (“mountain”)), from Middle Dutch ijsberch. First used to describe a glacier as seen at a distance from a ship then used as a term…

Etymology from Wiktionary, CC BY-SA 3.0