Jastrow: שָׁיֵיךְ

שָׁיֵיךְ, שָׁיְיכָא f. (שׁוּךְ) connected, attached, related belonging to. B. Kam. 92ᵇ ש׳ ואזיל וכ׳ Ar. (ed. מטייל) the bad palm tree belongs to and goes &c., v. שְׂרָכָא. Ab. Zar. 72ᵇ כולי חמרא … ש׳ Ar. (ed. גריר) all the wine in the cask is connected with that in the siphon, v. גְּרַר. B. Mets. 98ᵇ שכירה … מֵישַׁךְ שייכא דהא וכ׳ (not שייכי, v. Rashi) shall we say, the action of hiring is connected with that of lending, because in both cases there is the same responsibility for theft and loss (and therefore the act of hiring after lending is only a continuation of, and has had its beginning simultaneously with the lending)?, opp. לחודה קיימא. Ib. שכרה … ודאי לא ש׳ או דילמא כיון דש׳ וכ׳ if he hired the animal to be used in the presence of the owner, and then borrowed it without him, shall we say, lending is surely not connected with hiring (since the laws of responsibility are different), or shall we say, because they are related in some respects, they may be considered entirely related (so that the two acts may be treated as of the same date)? B. Kam. 15ᵃ נכרי משום דלא ש׳ במצות the gentile (is disqualified as witness), because he has no relation to the Jewish religious duties; אבל עבד דש׳ במצות וכ׳ but the slave (of a Jew) who has some relation to religious duties (being bound to observe certain religious laws) &c. Kidd. 42ᵃ אם אינו ענין להיכא דש׳ וכ׳ if the text has no application to where it belongs (to the subject under consideration), apply it to where it does not belong (v. עִנְיָן). Y. Ab. Zar. I, 39ᵈ bot. עז דלא ש׳ בה גיזה a goat to which the law concerning the first-shorn wool does not apply; a. fr.—Pl. שָׁיְיכֵי. Gitt. 28ᵇ במילתא דלא ש׳ בה וכ׳ in a thing in which they are not interested (and may be apt to boast of their feats): but in a thing in which they are interested, they are likely to cling to their lies.