It is the form of the preposition "am" when referring to the second person (singular or familiar): amdanat ti.
E.g. Rhywbeth amdanat ti = Something about you
"Am" is a very flexible preposition, and can mean "about", "for", "at", "around", "on", "towards" or various other things, depending on the context.
Prepositions are one of the most difficult things to deal with in any language. "Up" in English is a notorious example: you can go up, put up, put up with, set up, be up by, get up, slip up, end up in, and so on!
It is not a Greek word; it is Welsh for "silver". Así̱mi is the Greek equivalent for "silver".
According to one source the name Madoc or Madog means 'charitable or benevolent'. The Welsh word 'mad' means 'good, goodly'.
The Welsh word for 'red' is actually 'coch' and the 'ch' is pronounced the same way as the 'ch'in the Scottissh word 'loch'. I am Welsh and can tell you for a fact that it isn't 'rhudd'. That actually meens 'free' from imprisonment.
a small seed
It comes from Welsh origins
'You' is not a Welsh word.
The word 'fern' is not a Welsh word and has no meaning. The Welsh word for 'a fern' is 'rhedynen'.
It's not a word in Welsh.
'Carley' is not a Welsh word.
It's not a Welsh word.
In Welsh, "boyo" is an informal term or expression used to address someone, similar to "mate" or "buddy" in English. It is commonly used to show friendliness or familiarity.
It doesn't appear to be a Welsh word.
Perisgop is the Welsh word for a periscope.
"Heol" is the Welsh word for "road" or "street."
'Sorry' isn't a Welsh word so it has no meaning in Welsh.
This is not a Welsh word, but you might mean 'barod,' which means 'ready.'
Do you mean daear? If so that word means the Earth, soil or ground.