1. Ambergrises amberies amberina amberinas ambering amberite amberites amberjack: amberjacks amberlike amberoid amberoids amberous (current term) ambers ambery ambi-ambiance ambiances: ambident ambident anion ambident ligand ambidexter ambidexterities ambidexterity ambidexterous ambidexters ambidextral

2. Ambidextrous (adj.) also ambidexterous, "able to use both hands equally," 1640s, with -ous + Medieval Latin ambidexter, literally "right-handed on both sides," from ambi-"both, on both sides" (see ambi-) + dexter "right-handed" (from PIE root *deks-"right; south")