Unscramble

a 1 s 1 t 1 h 4 e 1 n 1 o 1 s 1 p 3 h 4 e 1 r 1 e 1

13 letters · 21 points in Scrabble

Meaning

noun the lower layer of the crust

originEtymology tree English astheno- Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere English -sphere English asthenosphere From astheno- + -sphere.

Etymology from Wiktionary, CC BY-SA 3.0

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