יָשַׁב שִׁבְעָה נְקִיִּים

ביטוי (אנגלית)

Kept seven clean days/ to work hard

הגדרה (אנגלית)

Figuratively: devoted himself to a subject; 'purified himself' in anticipation of something; worked hard and prepared himself (originally: seven days during which a woman is already no longer in niddah).

("As Rabbi Zeira said: The daughters of Israel were stringent with themselves, so that even if they saw a drop of blood like a mustard seed, they would sit seven clean days because of it" - Megillah 32b; and likewise: "He sat seven clean days over every little thorn, and had already written for them sources and explanations" - Chaim Savtov / Ke'af'apei Shachar, 79; and likewise: "And not once did he return and urge his disciples to be especially stringent about seven clean days" - H. B'er / To the Place Where the Wind Goes, 91)