An Etymological Dictionary of Astronomy and Astrophysics

Having more than one possible interpretation or meaning.

Etymology (EN): From L. ambiguus “having double meaning; doubtful,” from ambigere “to be uncertain,” from → ambi- “both; around” + agere “to drive, lead,” → act; cf. Av. az- “to drive, lead;” Pers. niyâz “need, want, misery,”

Etymology (PE): Ubâznâk, from ubâz, literally “having double directions,” from ubâ, → ambi-, + âz, from Av. az- “to lead, direct, drive,” → act, + -nâk adj. suffix.