Patanjali's yoga sutras

tā Plural of tat, that; those (referring to the different forms of samadhi described in sutras 1.42–45) eva only; alone; indeed; precisely

sabījaḥ = sa + bīja

• sa with; accompanied by; embedded in
• bīja seed

Together, a state of samadhi where the mind is able to see the cause of both bondage and liberation; the state of samadhi that leaves its own impression on the mind, thus creating an environment whereby the mind is compelled to meditate.

samādhiḥ all-consuming focus; spiritual absorption; the state of meditation where the mind stands still, letting the light of the soul reflect in it without distraction.

Ta-Eva-Sabijah-Samadhih

Ta: these, those, they
Eva: only
Sabijah: with seed
Samadhih: deep absorption of meditation

These Are The Samadhis With Seed (Having An Object For Meditation)

1.46 These previous states of deep meditation (samadhi) are called with seed (sabija), because they use either a gross or subtle focal point.