Morpheme
Tank
Type
free base
Denotation
container, cistern, reservoir
Etymology
Portuguese tanque; Indo-Aryan source such as Gujarati ṭā̃kī
Evidence
antitank, tank, tankage, tankbuster, tanked, tanker, tankful, tanking, tankini, tankless, tanklike, tanks, tankship, tankside, tankstand, tanksuit, tanksuit
Notes
armoured vehicle sense developed from prototypes diguised as water tanks