vidatthi
span (of 12 angulas or finger-breadths) Vin.iii.149 (dīghaso dvādasa vidatthiyo sugata-vidatthiyā); Vin.iv.279; Ja.i.337; Ja.iii.318; Mil.85; Vism.65, Vism.124, Vism.171, Vism.175, Vism.408; Dhp-a.iii.172; Dhp-a.iv.220; Vb-a.343 (dvādas’ angulāni vidatthi; dve vidatthiyo ratanaṃ, etc.).
cp. Vedic vitasti; see Geiger,
Pali Grammar
§ 38#3