lunisolar
Pronunciation: /ˌluːnɪˈsəʊlə/
adjective
- of or concerning the combined motions or effects of the sun and moon.
- of or employing a calendar year divided according to the phases of the moon, but adjusted in average length to fit the length of the solar cycle.
- of or denoting a 532-year period over which both the lunar months and the days of the week return to the same point in relation to the solar year.
Origin:
late 17th century: from Latin luna 'moon' + solar1