The story
From Adak Island in Alaska, from "adaq" in Aleut language, meaning "father".
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A kind of volcanic rock, of intermediate to felsic composition, with high strontium to yttrium ratio, and enriched in light rare earth elements compared with the heavy rare earths Full definition →
From Adak Island in Alaska, from "adaq" in Aleut language, meaning "father".
Etymology from Wiktionary, CC BY-SA 4.0.