خصب1 خَصِبَ and خَصَبَ: see 4.2 خصّب, inf. n. تَخْصِيبٌ, It rendered fruitful; it fecundated: so in the present day: see an instance voce بَاقِلَّى.]4 اخصب, (A, Msb, K,) inf. n. إِخْصَابٌ; (TA;) [and some add خِصْبٌ, as another inf. n.; but ISd holds this to be a simple subst.; (see 4 in art. ريف;)] and ↓ خَصِبَ, (A, Msb, K,) aor. ـَ (Msb, K;) and ↓ خَصَبَ, aor. ـِ inf. n. خِصْبٌ; (K;) It (a place) abounded, or became abundant, with herbage [or with the produce of the earth], and with the goods, conveniences, or comforts, of life; (A, K;) [was, or became, fruitful;] had  increase; had plenty, or abundance; (Msb;) [contr. of أَجْدَبَ and جَدِبَ or جَدَبَ and جَدُبَ:] and اخصبت الأَرْضُ [the land, or earth, abounded, or became abundant, with herbage &c.]. (JK, S.) إِخْصَابٌ and ↓ اِخْتِصَابٌ are both from الخِصْبُ [but the precise meaning of the latter is not explained]. (Lth, JK, TA.) In the saying of the rájiz, لَقَدْ خَشِيتُ أَنْ أَرَى جَدِبَّا فِى عَامِنَا ذَا بَعْدَ أَنْ أَخْصَبَّا [Verily I feared to see drought, or barrenness, or dearth, in this our year, after it had been abundant in herbage &c.], أَخْصَبَّا is put for أَخْصَبَا: but accord. to one reading, it is ↓ اِخْصَبَّا, of the measure اِفْعَلَّ, though this is generally employed for colours; and the incipient ا is rendered disjunctive of necessity, for the sake of the metre. (L. [Respecting جِدَبَّا, see جَدْبٌ.]) You say also, اخصب جَنَابُ القَوْمِ, meaning The tract surrounding the people [became abundant with herbage &c.]. (S, TA.) b2:  اخصبوا They attained, obtained, had, or became in the condition of having, abundance of herbage [or of the produce of the earth], and of the goods, conveniences, or comforts, of life. (S, * K.) [They became in the condition of persons whose food and milk, and the pasture of whose land, were abundant. (See the part. n., مُخْصِبٌ, below.)] And اخصبت الشَّاةُ The ewe, or she-goat, obtained abundance of herbage. (TA.) A2:  اخصب اللّٰهُ المَوْضِعِ God  caused the place to produce herbs and pasture. (Msb.) A3:  اخصبت العِضَاهُ, mentioned as on the authority of Lth, [and in the K,] is, accord. to Az, a gross mistranscription, for اخصبت [q. v.]. (TA.) 8 إِخْتَصَبَ see 1.9 إِخْصَبَّ see 1.خَصْبٌ: see خَصْبَةٌ, in two places.خِصْبٌ Abundance of herbage [or of the produce of the earth], and of the goods, conveniences, or comforts, of life; (A, K;) contr. of جَدْبٌ; (JK, S, Msb;) [fruitfulness;] increase; plenty, or abundance; (Msb:) abundance of good, or of good things: (K:) [abundant herbage, and the like:] truffles are included in the term خِصْبٌ; and also locusts, when they come after the herbage has dried up and the people are secure from being injured by them. (AHn.) A2:  بَلَدٌ خِصْبٌ and أَخْصَابٌ, (S, K,) like بَلَدٌ سَبْسَبٌ and سَبَاسِبُ &c., the sing. being used [in بلد اخصاب] as a pl., as though made to consist of parts, or portions, [each termed خِصْبٌ,] (S, TA,) A country, or region, abounding with herbage [or with the produce of the earth], or with the goods, conveniences, or comforts, of life; [fruitful; or plentiful;] (S, * K;) as also ↓ مُخْصِبٌ (S, * A, Msb, * K) and ↓ خَصِيبٌ (S, * A, K) and ↓ خَصِبٌ. (A, Msb. *) And أَرْضٌ خَصِبٌ and ↓ خَصِيبَةٌ, (AHn, TA,) and أَرْضُونَ خِصْبٌ [because خِصْبٌ is originally an inf. n.] and خِصْبَةٌ and ↓ خَصْبَةٌ, which last word is either an inf. n. used as an epithet, or a contraction of ↓ خَصِبَةٌ, (K,) A land, and lands, abounding with herbage &c. (K, TA.) b2:  and عَيْشٌ خِصْبٌ and ↓ مُخْصِبٌ [A life of abundance or plenty]. (TA.) خَصِبٌ; and its fem., with ة: see خِصْبٌ, in two places.خَصْبَةٌ: see خِصْبٌ. b2:  Also, [app. as an epithet in which the quality of a subst. is predominant,] A palm-tree having much fruit: pl. خِصَابٌ (S, K) and ↓ خَصْبٌ: (K, TA:) or خَصْبٌ [is properly a coll. gen. n., and] signifies palm-trees  [absolutely:] (K:) and خَصْبَةٌ signifies a palmtree of the kind called نَخْلَةُ الدَّقَلِ, in the dial. of the people of El-Bahreyn, (Az, TA,) or of Nejd; (TA;) and its pl. is خِصَابٌ. (Az, TA.) b3:  It is said that ↓ خَصْبٌ signifies also The spadix of the palm-tree: so in the K: and accord. to Lth, خَصْبَةٌ signifies a single spadix of a palm-tree: but [it is probably a mistranscription for خَضْبَةٌ, with the pointed ض:] Az says that he who assigns to it this meaning errs. (TA.) خَصِيبٌ; and its fem., with ة: see خِنْصبٌ, in two places. b2:  رَجُلٌ خَصِيبٌ A man abounding with good, or with good things; (K;) i. e., whose abode abounds therewith; (TA;) as also خَصِيبُ الرَّحْلِ (A, TA) and خَصِيبُ الجَنَابِ: (TA:) or this last means one whose region, or quarter, is خَصِيب: (S:) or it is tropical, (A in art. جنب,) as is also the expression immediately preceding, (A in the present art.,) and means (tropical:)  Generous or bountiful [or hospitable]. (A in art. جنب.) أَخْصَبُ More, and most, abundant with herbage &c.]مُخْصِبٌ: see خِصْبٌ, in two places. b2:  قَوْمٌ مُخْصِبُونَ A people, or party, whose food and with, and the pasture of whose land, have become abundant. (TA.) مخصبة [so in the TA, either مَخْصَبَةٌ (like مَبْقَلَةٌ &c.) or مُخْصِبَةٌ,] A land (أَرْضٌ) abounding  with pasture or herbage. (TA.) بَلَدٌ مِخْصَابٌ (K) A country, or region, scarcely ever, or never, sterile, barren, unfruitful, or afflicted with dearth or scarcity or drought. (TA.) b2:  And قَوْمٌ مَخَاصِيبُ [A people, or party, scarcely ever, or never, without abundance of herbage &c.]. (TA in art. رتع.)