Where does “херъ” come from?

херъ (Old Church Slavonic) comes from Old Church Slavonic хероувимъ, from Ancient Greek χερουβίμ, from Hebrew כְּרוּבִים, from Hebrew כְּרוּב — cherub.

Ancestry of “херъ”, step by step

Step	Language	Word	Meaning
1	Old Church Slavonic	хероувимъ	cherubim
2	Ancient Greek	χερουβίμ	—
3	Hebrew	כְּרוּבִים	cherubim, cherubs
4	Hebrew	כְּרוּב	cherub

Words derived from “херъ”

хер
похерить
херовый

Every word from Hebrew כְּרוּב →

херъ — Etymology, Origin & Word History | Etymology Explorer