10 letters · 14 points in Scrabble
adjective (of events) having extremely unfortunate or dire consequences; bringing ruin; ; ; ; - Charles Darwin; - Douglas MacArthur
originBorrowed from French calamiteux (“calamitous”) (see French -eux, English -ous), from Latin calamitōsus (“destructive, disastrous, ruinous, calamitous”), a contraction of calamitātōsus, from calamitāt- + -ōsus (suffix meaning ‘full of; prone to’ forming adjectives from nouns); calamitāt- is the oblique stem of calamitās (“disaster, misfortune, calamity; damage, harm; loss”), from *calamis…
Etymology from Wiktionary, CC BY-SA 3.0