(trigonometry) cosine

Kyūjitai form of 余弦

Alternative spelling of 大元 (Daigen); short for 大元帥明王 (Daigen Myōō).

open country / field; plain

Short for 隠元豆 (ingen-mame, “common bean (Phaseolus vulgaris)”).

original poem (a version of a poem that is free of edits, untranslated, etc.)

the present, now

(Buddhism) the current life, one of the 三世 (sanze, “three lives”), opposed to 前世 (zense, “previous life”) and 来世 (raise)/後世 (gose, “next life”)

Kyūjitai form of 原子炉 (“nuclear reactor”)

(mathematics) origin / (measurement) reference point / starting; beginning; original state