On Sh'mos 2:3 and 15:17, Minchas Shay notes that הַצְּפִינוֹ and מִקְּדָשׁ have a dagesh in their respective second letters "for adornment (tif'eres)".
- Is this aural or visual adornment?
- How/Why is the presence of the dagesh considered an adornment?
- Why are these words, specifically, adorned?