noun
wet, spongy ground, characterized by decaying mosses that form peat; a small marsh or swamp
Origin:
< Gael & Ir bog, soft, moist (> Ir bogach, a bog) < IE *bhugh- < base *bheugh-, to bend > bow
transitive verb, intransitive verb bogged, bogging
to sink or become stuck in or as in a bog; mire: often with down