धातु - dhātu

W. D. Whitney, The roots



√ 1 ūrṇu, ‘see’ √1 vṛ

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√ 1 ūh, ‘remove’

Pres. [1.] ū́hati v.+ , -te v.+
[Perf. ūhāṁ cakāra.]
Aor. 1. uhyāt ś.b ; ohi c. [— 3. āujihat.]
Verb. ūḍha b.+ , [oṣitvā;] ūhita c. ; ūhituym e.+ ; oḍhum e.+ ; -ūhitavāí b. ; -ūhya b.+ ; -úhya b.+ ; -óham rv. ; -ū́ham ms.
Sec. Conj.: Pass. uhyate b.+ , ūhyate c. Caus. ūhayati c. .
Deriv.:

ūha av.+ ūhyà- b.+ ūhanīya s.+ ūḍhi c.
-ūhaka c. ūhana s.+ ūhitavya c. -oha rv.
      oghas? rv.


Doubtless a differentiated form of √vah, from which in some forms and meanings it is hardly to be separated
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√ 1 ūh ‘consider’

Pres. [1.] óhate etc. v. , [2] óhate (3p.) óhāná óhāná rv.  — [1.] ūhati c. , -te e. ohiṣe (1 s.) rv.1
[Fut. ūhiṣyate, ūhitā. ]
Sec. Conj.: [Desid. ūjihiṣa-.—] Caus. ūhayati etc. e. .
Deriv.:

ūha e.+  ūhana c. ūhitavya c. óhas rv.
ūhyac. ūhanīyaa. óha-?rv. óhasānarv.

Probably ‘bear in mind’, and so originally identical with 1 ūh and vah