"resembling a chancre," 1868, from chancre + -oid. Earlier as a noun, a kind of genital ulcer (1861).
Entries linking to chancroid
chancre n.
also chanker, "venereal ulcer, syphilitic sore," c. 1600, from French chancre (15c.), literally "cancer," from Latin cancer (see cancer).
-oid
word-forming element meaning "like, like that of, thing like a ______," from Latinized form of Greek -oeidēs (three syllables), from eidos "form," related to idein "to see," eidenai "to know;" literally "to see" (from PIE *weid-es-, from root *weid- "to see"). The -o- is connective or a stem vowel from the previous element. Often implying an incomplete or imperfect resemblance to the thing indicated.