מְצוֹלָה, מְצוּלָה f.n. (pl. מְצוּלוֹת, also מְצוֹלוֹת) depth, deep, abyss. [Formed from צול, a secondary form of base צלל ᴵ (= to sink, dive), with pref. מְ◌ and first suff. ◌ָה. Gk. metallon (= mine, quarry), is perhaps a loan word from מֽצוֹלָה, מְצוּלָה (see מֶדַלְיָה). cp. מֽצוּל.]