הִוָּסְרִי֙ יְר֣וּשָׁלִַ֔ם פֶּן־תֵּקַ֥ע נַפְשִׁ֖י מִמֵּ֑ךְ פֶּן־אֲשִׂימֵ֣ךְ שְׁמָמָ֔ה אֶ֖רֶץ ל֥וֹא נוֹשָֽׁבָה׃ (פ)
Corrige-toi, Jérusalem, sans cela mon âme se détachera de toi; sans cela je ferai de toi une solitude, une terre inhabitée."
Rashi
lest...be alienated Heb. תקע, lest it be pulled away. יקע is an expression of joining. Comp. “and hang them up (והוקע)” (Num. 25:4), and it is sometimes an expression of detaching. There are many words that are used in such a manner.