Answer: bata

AnswerCrossword Clue
BATA

... thousand (succeed invariably)

BATA

Philippine child.

BATA

Seaport of Spanish Guinea in Rio Muni.

BATA
Rio Muni's chief town, Spanish Guinea.
BATA
Child, in the Philippines.
BATAP.I. child
BATA... thousand (get four for four)
BATASeaport in Guinea
BATARio Muni seaport
BATA... thousand (go 4-for-4, e.g.)