'Epidermal' in the Bible

"When a {person} has on his body's skin a swelling or an epidermal eruption or a spot and it becomes an infectious skin disease on his body's skin, then he shall be brought to Aaron the priest or to one of his sons the priests.

And the priest shall examine him on the seventh day [for a] second [time], and {if} the infection has faded and the infection has not spread on the skin, then the priest shall declare him clean--it [is] an epidermal eruption; and he shall wash his garments, and so he shall be clean.

But if the epidermal eruption spreads further on the skin after showing himself to the priest for his cleansing, then he shall appear second [time] to the priest.

And the priest shall examine [it], and {if} the epidermal eruption has spread on the skin, then the priest shall declare him unclean--it is an infectious skin disease.

and for the swelling and for the epidermal eruption and for the spot,