Where does “nancy pants” come from?

nancy pants (English) comes from English Nancy, from English Agnes, from Ancient Greek Ἁγνή, from Ancient Greek ἁγνός, from Ancient Greek ἁγνεία, from Ancient Greek ᾰ̔γνός.

nancy pants (English): An effeminate man; sissy, wimp

Definitions

An effeminate man; sissy, wimp

Ancestry of “nancy pants”, step by step

Step	Language	Word	Meaning
1	English	Nancy	An effeminate man, especially a homosexual
2	English	Agnes	—
3	Ancient Greek	Ἁγνή	pure, chaste
4	Ancient Greek	ἁγνός	pure, chaste; holy, sacred; purifying
5	Ancient Greek	ἁγνεία	purity, chastity; purification, cleansing
6	Ancient Greek	ᾰ̔γνός	—

Every word from Ancient Greek ᾰ̔γνός →