醸母 is read as じょうぼ (joubo) and means leaven.
じょうぼ
joubo
じょうせい
brewing
じょうぞう
かもしだす
to create (an atmosphere, feeling, etc.)
じょうぞうちょうみりょう
fermented seasoning (e.g. mirin, cooking sake, miso)
じょうぞうぎょう
brewing industry
じょうぞうがく
zymurgy
じょうぞうか
brewer
じょうぞうじょ
brewery
おば
aunt
ぎぼ
foster mother
けいぼ
stepmother
せいぼ
mother of a holy person