Where does “monja” come from?

monja (Portuguese) comes from Old Portuguese monja, from Old Portuguese monge, from Old Occitan monge, from Late Latin monicus, from Latin monāchus, from Ancient Greek μοναχός, from Ancient Greek μόνος, from Ancient Greek σπέρμα.

monja (Portuguese): nun

Definitions

Ancestry of “monja”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	monja	—
2	Old Portuguese	monge	—
3	Old Occitan	monge	monk
4	Late Latin	monicus	—
5	Latin	monāchus	monk
6	Ancient Greek	μοναχός	solitary, single; monk, monastic
7	Ancient Greek	μόνος	alone, forsaken, solitary; only; unique
8	Ancient Greek	σπέρμα	seed; semen, sperm; seed-time, sowing
9	Proto-Hellenic	*spérmə	—

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