Betwixt and between

chiefly south midland and southern u.s. between.
betwixt and between, neither the one nor the other; in a middle or unresolved position:
not wanting to side with either her father or her mother, she was betwixt and between.
preposition, adverb
(archaic) another word for between
betwixt and between, in an intermediate, indecisive, or middle position
prep., adv.
undecided, midway between two alternatives, neither here nor there. for example, i’m betwixt and between canceling my trip entirely or just postponing it, or jane is betwixt and between about accepting the offer. the adverb betwixt, originally meaning “by two,” is seldom heard except in this expression, first recorded in 1832.