spring fence-mending
Rare seasonal noun referring to the traditional practice of repairing fences after winter damage in spring. The kanji form looks like a verb but the word is used as a noun.
垣繕う is sometimes used as a spring kigo in haiku.
Compound of 垣 (kaki, 'fence') and 繕う (tsukurou, 'to mend, repair'). The exact historical derivation is uncertain; the word is a rare seasonal term.