χεροῖν (cheroin)
χεροῖν is an Ancient Greek form of χείρ, meaning “hand, arm”. It is the dative dual feminine noun.
Found 165 times in the Ancient Greek texts on Socratos.
Where it is used
Apollonius Rhodius, Argonautica 3.50: ἵζανεν, ἀψήκτους δὲ χεροῖν ἀνεδήσατο χαίτας.
All forms of χείρ (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.