Probably of onomatopoeic origin, similar to English buzz. IPA(key): [ˈdizʲɐ] ди́зя • (dízja) first-singular present indicative, impf (dialectal, transitive)...
From дизя (dizja) + -ица (-ica). IPA(key): [diˈzit͡sɐ] дизи́ца • (dizíca) f (dialectal) proboscis (of insects, gastropods) Synonym: хобот (hobot) appendix...