| ̷ ̷ ̷ ̷ ̷ ̷|kristik adjective
Etymology: pale- + Greek kryst allos + English -ic
: being, relating to, or characterized by ice that has had prolonged existence
paleocrystic sea
paleocrystic ice is several years old; some of it may be dozens of years old — Vilhjalmur Stefansson