hyperarid

Etymology tree
Proto-Indo-European *úp
Proto-Indo-European *-er
Proto-Indo-European *upér
Proto-Hellenic *hupér
Ancient Greek ῠ̔πέρ (hŭpér)
Ancient Greek ῠ̔περ- (hŭper-)der.
English hyper-
Proto-Indo-European *h₂eHs-
Proto-Indo-European *-éh₁ti
Proto-Indo-European *-yeti
Proto-Indo-European *-éh₁yeti
Proto-Indo-European *h₂eHs-eh₁yeti
Proto-Italic *āzēō
Latin āreō
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idus
Latin āriduslbor.
French arideder.
▲
Latin āridusder.
English arid
English hyperarid
From hyper- + arid.