"Chiefest" is a word in ENGLISH

dámhag - To fall—headlong,—on one’s face,—head foremost,—head first,— prone,—heels over head,—head over heels. Nakadámhag siá. He fell head foremost. Dinamhagán …

Foremost; in front of, or in advance of, all others.

First in time or place; most advanced; chief in rank or dignity; as, the foremost troops of an army.

hágmak - To fall down prone, head foremost, headlong, head first, fall on one’s face. Nakahágmak siá. He fell down …

mauná-uná - First, foremost, at the start, beginning, "starting the ball rolling”. (cf. úna, unáuná).

nahauná - First, the first, foremost, leading, beginning, initial, incipient, inchoate, front. Sa nahauná——sa ikaduhá——. Firstly, in the first place—— …

pangánti - (Probably from the Sp. ante) To show off, wish to be first or foremost, like to be in …

pangunahin Definition: (adj) leading; first; foremost

paniguná, panig-uná - To be first, foremost; try to excel, to lead, outdo others; to vie, compete with, strive with, …

tibusók, tibúsok - Headlong, head first, head foremost; to fall down from a height in such a way that the …

tiguná, tig-uná - First, foremost; leader, pioneer. (cf. úna, nahauná).

umulúna - Pioneer, leader, foremost, one who goes first or leads. (cf. úna).

úna - First, foremost, before anything else; former, preceding, prior, previous; to do first, do before something else, go before, …

The front of an army; the first line or leading column; also, the front line or foremost division of a …