ἀ-. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project. https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0057:entry=a)1
Harper, Douglas. "same". Online Etymology Dictionary. https://www.etymonline.com/?term=same
"same". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.) https://www.oed.com/search/dictionary/?q=same
ἀ-. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project. https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0057:entry=a)1
ἅμα, ὁμός, εἷς in Liddell and Scott. https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0057:entry=a(/ma1