ψάμμος
ψάμμος
ψάμμος, ἡ,
sand, so called from its loose, crumbling nature (from ψάω), Od., etc.:—proverb., ψάμμος ἀριθμὸν περιπέφευγεν Pind.
ἡ ψ. the sandy desert of Libya, Hdt.
Both ψάμμος and ψάμαθος sometimes drop ψ and become ἄμμος, ἄμαθος.