ajgd

Sudovian

See ajga.

Zinkevičius: From Proto-Baltic [Term?], from Proto-Indo-European *bʰeg-. Compare bai̇̃gti (“to end”), bèigt (“to end”), without b-.^[1]^[2]
Witczak: A denominative verb from ajga (“end”), which is borrowed from a Finnic language, from Proto-Finnic *akja, itself from Proto-Germanic *agjō (“edge”).^[3]

ajgd

to end
- “Pagan dialects from Narew” line 117, (copied by V. Zinov, 1983):
  kończyć — ajgd
  kończyć — end

^ Zigmas Zinkevičius (1985) “Lenkų-jotvingių žodynėlis? [A Polish-Yotvingian dictionary?]”, in Baltistica, volume 21, number 1 (in Lithuanian), Vilnius: VU, →DOI, page 68: “ajgd ‘baigti, l. kończyć’ 117”
^ “baĩgti” in Hock et al., Altlitauisches etymologisches Wörterbuch 2.0 (online, 2020–): “Mit baĩgti und baigà vergleicht PJS 8 nar. ajgd ‘beenden’ und ajga ‘Ende’, wo b- in beiden Fällen fehlt.”.
^ K. T. Witczak (2020) “Ugrofinizmy w języku jaćwieskim [Finno-Ugric borrowings in Yatvingian]”, in Acta Baltico-Slavica (in Polish), volume 44, →DOI, page 146: “1. Jaćw. ajga ‘koniec’, ajgd ‘kończyć’.”