from ἀρχή and ἱερεύς; the high-priest (literally, of the Jews, typically, Christ); by extension a chief priest:--chief (high) priest, chief of the priests.
from ἀπό and ; to conclude for oneself, i.e. (by implication) to respond; by Hebraism (compare עָנָה) to begin to speak (where an address is expected):--answer.
a primary verb (used only in the definite past tense, the others being borrowed from ἐρέω, ῥέω, and φημί); to speak or say (by word or writing):--answer, bid, bring word, call, command, grant, say (on), speak, tell. Compare λέγω.