H4723C–מִקְוֶה–miq.veh

And God calleth to the dry land `Earth,' and to the collection of the waters He hath called `Seas;' and God seeth that `it is' good.

וּלְמִקְוֵ֥ה (מִקְוֵ֥ה) mik.Veh “[the] collection of”

And Jehovah saith unto Moses, `Say unto Aaron, Take thy rod, and stretch out thy hand against the waters of Egypt, against their streams, against their rivers, and against their ponds, and against all their collections of waters; and they are blood -- and there hath been blood in all the land of Egypt, both in `vessels of' wood, and in `those of' stone.'

מִקְוֵ֥ה mik.Veh “<the> reservoir of”

`Only -- a fountain or pit, a collection of water, is clean, but that which is coming against their carcase is unclean;

מִקְוֵה־ mik.veh- “a reservoir of”