Reference for Moed Katan 27:16

אמר שמואל קטן הנולד במועד מותר לגלח במועד שאין לך בית האסורין גדול מזה במועד אין מעיקרא לא

where he had set out 'with approval', and what means it? For seeking his bread; because even R'Judah disagrees with them only on [the question of a voyage] for gaining profit, whereas in regard to going out for seeking his bread he concurs with them.<span class="x" onmousemove="('comment',' The accepted view is that a voyage for profit is an extenuating circumstance. V. Han., Asheri and Codes.');">²⁰</span> Samuel said: 'If an infant is born during the festival [week] it is allowed to cut his hair<span class="x" onmousemove="('comment',' If its hair is abnormally long and, for convenience, would best be shortened. If, however, the shortening is imperative for hygienic reasons there is no question.');">²¹</span>

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