1
Stage 1 of 3
hierarkhia
Greek · ancient
"sacred rule"
'hieros', sacred, plus 'arkhein', to rule; Pseudo-Dionysius described nine ranks of angels
2
Stage 2 of 3
hierarchia
Medieval Latin · medieval
"church ranks"
applied to the ranks of clergy
3
Stage 3 of 3
hierarchy
English · 1600s
"a system of ranking"
broadened to any system of ranks
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