wel-come \`wel-këm\
interj [ME, alter. of wilcume,fr. OE, fr. wilcuma
desirable
guest; akin to OHG willicomo desirable guest, OE willa, will
desire,
cuman
to come - more at WILL, COME] (bef. 12c) - used to express a
greeting
to a guest or newcomer upon his arrival