Where does “монах” come from?

монах (Bulgarian) comes from Old Church Slavonic монахъ, from Ancient Greek μοναχός, from Ancient Greek μόνος, from Ancient Greek σπέρμα, from Proto-Hellenic *spérmə.

монах (Bulgarian): monk, monastic, friar

Definitions

monk, monastic, friar

Ancestry of “монах”, step by step

Step	Language	Word	Meaning
1	Old Church Slavonic	монахъ	—
2	Ancient Greek	μοναχός	solitary, single; monk, monastic
3	Ancient Greek	μόνος	alone, forsaken, solitary; only; unique
4	Ancient Greek	σπέρμα	seed; semen, sperm; seed-time, sowing
5	Proto-Hellenic	*spérmə	—

Every word from Proto-Hellenic *spérmə →Every word from Ancient Greek σπέρμα →Every word from Ancient Greek μόνος →