total-, tot- +

(Latin: all, whole, entire)

totipotent (adjective), more totipotent, most totipotent
With reference to an animal cell or part, having the potential for developing into various specialized ways in response to external or internal stimuli: A totipotent cell has the ability to separate and create a new individual organ or tissue.
Vestra causa tota nostra est.
Your cause is totally (completely) ours.

Also, "We support your cause completely." Motto of The American Classical League, Miami University, Oxford, Ohio, USA.

Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; poly-; super-; ultra-; undu-.