monogram
noun
[ ˈmɒnəɡram ]
• a motif of two or more interwoven letters, typically a person's initials, used to identify a personal possession or as a logo.
• "a handkerchief with his monogram embroidered on one corner"
monogram
verb
• decorate with a monogram.
• "Irish linen napkins monogrammed with the initials C.S"
Origin:
late 17th century: from French monogramme, from late Latin monogramma, from Greek.