What is the X in X-mas?
1580s, "a mime," from Latin mimicus, from Greek mimikos "of or pertaining to mimes," from mimos "mime."
1680s, from mimic (n.). Related: Mimicked; mimicking.
1590s, from Latin mimicus, from Greek mimikos "of or pertaining to mimes," verbal adjective from mimeisthai "to mimic, imitate, portray by means of imitation" (see mimeograph).
mimic mim·ic (mĭm'ĭk)
v. mim·icked, mim·ick·ing, mim·ics
To resemble closely; simulate.
To take on the appearance of.