Mer-man

Mercury in the "Mer".

He is holding a caduceus in his right hand and an orb, representing a "TO" worldmap, in his left.

The hieroglyph mr, in Ancient Egyptian, represents the hoe, or tilling instrument.

but it is also the word for water and for love

It is also the 36° right angled triangle, the most sacred geometrical figure of Egypt, and from which the name of the country itself, TaMera, or The Land that was Measured, was derived.

Thus mer is a fluid term with the meta-meaning:

to hoe/ love/ water/ sacred geometry.

The pyramids of Egypt were known by the same word: mir.

The word meridian emerges from this cluster of associations, and hints at their original purpose.

We take these meanings as a cue and license to play word games with the mr root, as is not only lawful but a feature of the ancient Egyptian language, except we feel free to cross to other languages also, to arrive at:

mer = sea (in French)

mercury

Merovingian

Mars

mir = peace (in Russian)

morris-men

merestone (OE: standing stone or boundary stone)

meresman OE: one who maintains the merestones)